Answer: The right answer is the (D) A declaration or set of rules.
Explanation: Just to elaborate a little on the answer, it can be added that the word doctrine derives from the Latin <em>doctrīna</em>, which has various meanings, such as teaching, instruction, and set of religious, philosophical, or political ideas (or other kinds of ideas) held by a person or a group, such as the Christian doctrine or the legal doctrine, but also set of norms or rules.
Large is the only modifier in the options that can be used to make a comparison. Large can be used to compare between the size of things. For example, my father has a large plantation compare to Mr. Henry's plantation.
