单项选择题

Andrew Carnegie was beginning to make investments ______

A．in 1861
B．when he himself was 26
C．when his brother was 17
D．when he was still working at a car company
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The government has promised to do ______ lies in its power to ease the hardships of the people in the flooded areas.
A．however
B．whichever
C．whatever
D．wherever
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There will be great demand on your efforts before you reach the ______ of the race.
A．dead line
B．end line
C．finish line
D．finishing line
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