As is recorded in history, silkworms were first raised in we now know as Hebei Province. A

发布时间：2020-08-16 23:00:35

As is recorded in history, silkworms were first raised in     we now know as Hebei Province.
A. where
B. that
C. which
D. what

网友回答

A. where
B. that
C. which
(答案→)D. what
解析：考察宾语从句。What引导宾语从句what e now know as Hebei Province并在句中作为know的宾语。
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