单项选择题

Since he left the university, he（）in an accounting company.

A. has been working
B. had worked
C. had been working
D. was working

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Grace（） tears when she heard the sad news.

A. broke in
B. broke into
C. broke off
D. broke through
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From here people can see the bridge （） construction.

A. below
B. by
C. under
D. on
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