The answer would be D. Autobiography's are usually personal stories
Blight means ruin and disaster. Words and phrases that indicate and support this meaning are: "the last bitter hour" (denoting death), "stern agony, and shroud, and pall" (also denoting death, but this time in an even more literal way), "breathless darkness", "make thee to shudder, and grow sick at heart" (these phrases definitely imply a disaster that takes our breath away).
A solid is a state of mater, which is stable can can not change physical shape unless something changes it (erosion,etc)
The answer is D Cats are the smartest animals.