单项选择题

（）ballpoint pen was invented by（）Hungarian refugee named Lazlo Biro.

A.A;a
B.The;a
C.A; the
D.The; the

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（）with the size of the whole earth, the highest mountain does not seem high at all.

A. When compared
B. When comparing
C. Compare
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What Marx（）by a particular society was an organization of people making a living together.

A. said
B. argued
C. explained
D. meant
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