Though the weather was（）cold and windy, I came（）to see you.

A. the writer himself is homeless, even in his eighties
B. many older homeless residents are going on strike in 25 cities
C. there is a serious shortage of academic facilities
D. homeless children are denied the opportunity of receiving free education

A. sleep is a withdrawal from the reality
B. sleep interferes with their sound judgment
C. sleep is the least expensive item on their routine program
D. sleep is the best way to deal with psychological troubles