In this task, you're given a question, a context passage, and four options which are terms from the passage. After reading a passage, you will get a brief understanding of the terms. Your job is to determine by searching and reading further information of which term you can answer the question. Indicate your choice as 'a', 'b', 'c', or 'd'. If you think more than one option is plausible, choose the more probable option to help you answer the question.

Let me give you an example: Question: When did the operation during which the 704th dropped supplies to allied troops near Nijmegen begin? Passage: The group was occasionally diverted from strategic missions to carry out air support and interdiction missions. It supported Operation Overlord, the invasion of Normandy by attacking transportation targets, including bridges, along with airfields and strong points in France. On D Day, the squadron and the rest of the 446th Group led the first heavy bomber mission of the day. The 446th aided ground forces at Caen and Saint-Loduring July by hitting bridges, gun batteries, and enemy troops. During Operation Market Garden, the attempt to seize a bridgehead across the Rhine in the Netherlands, the 704th dropped supplies to allied troops near Nijmegen. It struck lines of communications during the Battle of the Bulge. During Operation Varsity in March 1945, it supplied ground and airborne troops near Wesel. The squadron flew its last combat mission on 25 April 1945 against Salzburg, Austria. The group had flown 273 missions and had lost 58 aircraft during the war,
. Links: a. Allies of World War II b. Wesel c. Operation Market Garden d. Air Support.
The answer to this example can be: c
Here is why: The passage describes the 704th's actions during Operation Market Garden.

OK. solve this:
Question: What does the abbreviation that the organization uses which Nachman Dushanski was hired by in June 1940 stand for? Passage:Dushanki's father was blinded during World War I and could not provide for the large family. Therefore, after graduating from the 6th grade, Dushanski began working. This early exposure to manual labor pushed him into communismsocialism and, in 1934, he joined the illegal Lithuanian branch of the Komsomol (Communist Union of Youth) and helped distributing underground communist publications. For such communist activities he was arrested in June 1936. First, he was jailed in a juvenile prison; later he was transferred to prisons in Siauliai and Raseiniai. While in prison, Dushanski joined the Lithuanian Communist Party in 1938. He was released when Soviet Union occupied Lithuania in June 1940 and was given a job as an assistant security officer at the NKVD office in Telsiai. His duties included securing the Soviet Union Nazi Germany border. He was involved in mass arrests of the "enemies of the people" and the June deportation. Conflicting witnesses testimony implicated Dushanski in the Rainiai massacre, one of the many NKVD prisoner massacres at the beginning of the German invasion of the Soviet Union. According to Dushanski, at the time he was returning from a vacation in Crimea and was attempting to evacuate his family from Siauliai into Russia. However, the train did not leave the station and his parents and three siblings perished during the Holocaust; only his brother Jacob survived.
Links: a. NKVD b. Soviet occupation of the Baltic states (1940) c. Komsomol d. June deportation
Answer:
a