Answer: I would like to go with A and "During sixteen long months this assault has blotted out the whole pattern of democratic life" this statement also supports A.
In the sentence:
My best friend wrote a funny poem about her pet rabbit.
The simple subject is 'friend'. Remember that a simple subject is the main word or words in a subject, so it does not include any of the modifiers that might describe, characterize or restrict the subject (in this case, the possesive 'my' and the adjective 'best')
Answer:
B
C
D this will help sometimes
The document listing the principles by which a nation is governed