The concern (has been) that the embryo bank (might be) exploited (by unscrupulou

游客2025-05-09  0

问题 The concern (has been) that the embryo bank (might be) exploited (by unscrupulous), or that conception might precede birth by nine or even ninety years, (rather than) by nine months.

选项 A、has been
B、might be
C、by unscrupulous
D、rather than

答案 C

解析 应改为by the unscrupulous
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