问题
选择题
_________the fact that his first experiments had failed, Prof. Smith persisted in his research.
A．Although
B．Regardless
C．In spite of
D．In views of
答案
答案：C
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_________the fact that his first experiments had failed, Prof. Smith persisted in his research.
A．Although
B．Regardless
C．In spite of
D．In views of
答案：C