2016年1月30日SAT改写句子题
The finest quality raw silk comes from the commonly domesticated silkworm, Bombyx mori, it feeds on the leaves of the mulberry tree.
(A) it feeds
(B) feeding
(C) they feed
(D) which feeds
(E) having fed
解释：
Choice (D) is correct. It avoids the comma splice error of the original by providing the appropriate modifying phrase "which feeds on the leaves of the mulberry tree."
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