Given the task definition and input, reply with output. 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.

Question: How many total recipients of the Grand Cross of the Order of the Dannebrog were there at the time Kjeld Hillings was awarded his? Passage:Hillings was made a sergeant in the Royal Danish Navy in 1955, but changed to serve in the Royal Danish Army, in which he became a Lieutenant of the Danish Royal Life Guards in 1959. In 1986 he was made a colonel and became the chief of the Planning and Operations Staff in the Defence Command. In 1990, he became a Major General, and Chief of the Army. In 1991, he was made head of the newly-created Army Operational Command. In 1993 he became Lieutenant General and head of NATO's BALTAP command, and was also head of the Defence Operational Forces. He held this position until his retirement in 1995, when he was awarded the Grand Cross of the Order of the Dannebrog.
Links: a. Royal Life Guards (Denmark) b. Order of the Dannebrog c. Order of the Dannebrog d. Colonel
b