单项选择题

If the whole framework of the thesis ______ beforehand, a great deal of time and energy would have been saved.

A. was designed
B. had been designedC. were designed D. has been designed
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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
单项选择题
We could not obtain any exact information ______ where she was.
A. far from
B. as to
C. except
D. along with
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