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: How many people reside in the city where US 311 begins at the US 52/NC 8 interchange? Passage:US311 begins at the US52/NC8 interchange in Winston-Salem, NC. It follows N Martin Luther King Jr Dr for a short time before continuing northeast along a two-lane road. It travels northeast and intersects NC 66 at the edge of Walkertown, then turns to follow Harley Drive and turns again to follow Main Street through town. Leaving Walkertown, the road takes the local name of Walnut Cove Road. At the southern edge of the town of Walnut Cove NC 65 joins for a short concurrency. At the northern boundary of Walnut Cove, NC 89 has its terminus at US 311, and the highway turns northeast. North Carolina Highway 772 terminates at US 311 near Pine Hall and entering the town of Madison, US 311 takes a westerly route. West of Madison, it joins with Future Interstate 73/US220 briefly to Mayodan, then leaving the freeway, it joins with NC 135 towards Eden. Three other NC routes join with 311 in Eden in short succession: NC 770, NC 87 and NC 14, then the 4 joined routes cross the Dan River along Van Buren Street in Eden. US 311 leaves Van Buren Street on a grade-separated interchange onto Meadow Road near the Eden Mall, heading northeast into a rural area before crossing into Virginia.
Links: a. Eden, North Carolina b. Eden, North Carolina c. Madison, North Carolina d. Winston-Salem, North Carolina
Answer:
d