单选题
It ______ commonplace to think of sport as a "leisure industry" now.
A、
became
B、
will become
C、
is becoming
D、
had become
【正确答案】
C
【答案解析】
[注释] 本题考查时态知识，应该特别重视语境中的时间词now。可以由此判断出本句的时态是现在进行时态。其他时态的选择项都不符合本句话的时间概念。
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