The correct answer is C. idioms.
Idioms are phrases which consist of many words which don't seem to be connected in any way, however, they create a new meaning which cannot be simply predicted - you just have to learn idioms by heart.
Imagery is using descriptive vocabulary to create vivid images which could be easily imagined; puns are play on words; malapropism is wrong usage of a word.
Wan is the word that most closely means "faint and suggestive of unhappiness". :)
Answer:
The objections which have been brought against a standing army, and they are many and weighty, and deserve to prevail, may also at last be brought against a standing government. (correct me if I'm wrong)
They protested and stuff, I don’t really know