______ some mammals came to live in the sea is now known.A、WhichB、SinceC、Altho

游客2025-03-12 26

问题 ______ some mammals came to live in the sea is now known.

选项 A、Which
B、Since
C、Although
D、How

答案 D

解析本题考查的是语法中主语从句的用法。此处关系副词how引导的句子作整个句子的主语，故选项D)为正确答案。本句意为“有些哺乳动物是如何转而生活在海洋里已经为人们所知”。

转载请注明原文地址:https://tihaiku.com/zcyy/3993903.html

相关试题推荐

随机试题

最新回复(0)

______somemammalscametoliveintheseaisnowknown.A、WhichB、SinceC、Altho