单项选择题
In the U.S., a telephone call in the middle of the night is regarded as a cause for concern.（）
A. Right B. Wrong C. Not Mentioned
单项选择题 It is implied in the passage that （）.
单项选择题 In social life, time plays a very important part.（）
单项选择题 At one time, Rodney Mace （）.
