People carry out much of their commerce here, ______ selling vegetables, serving locals meals or running, a hair salon.

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问题 People carry out much of their commerce here, ______ selling vegetables, serving locals meals or running, a hair salon.

选项 A、was it
B、it is
C、it being
D、be it

答案D

解析 be it此处有“不管是…，还是…”以及“包括”的意思。was it时态与主句的carry不一致，可以排除。选择it is会使一个句子里有两个主语(people和it)，也可以排除。it being用于构成独立主格，而此句两个分句的主语是一样的，也可以据此排除选项C。只有选项D是正确的。

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