单项选择题

The Social Security Retirement Program is made up of two trust funds, ______ could go penniless by next year.

A．the larger one
B．the larger of which
C．the largest one
D．the largest of which
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单项选择题
When any non-human organ is transplanted into a person, the body immediately recognizes it as ______.
A．novel
B．remote
C．distant
D．foreign
单项选择题
It's reported that by the end of the month the output of cement in the factory ______ about 10%.
A．will have risen
B．has risen
C．will be rising
D．has been rising
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