单项选择题

What does the news item say about Richard Nafzger


[A] He is assigned the task to look for the tapes.
B. He believes that the tapes are probably lost.
C. He works in a NASA ground receiving site.
D. He had asked for the tapes in the 1970s.
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单项选择题
Mr. Simpson stopped at the pedestrian crossing because（）

A. the lighting was very good along the stretch.
B. he was riding with two ladies at the moment.
C. he wanted to ensure the safety of two passers-by.
D. he was a new driver who tends to be cautious.
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