语法两题

1. Floating in the waters of the equatorial Pacific, an array of buoys collects and transmits data on long-term interactions between the ocean and the atmosphere, interactions that affect global climate.

A.      atmosphere, interactions that affect 答案

B.       atmosphere, with interactions affecting

C.      atmosphere that affects

D.      atmosphere that is affecting

E.       atmosphere as affects

interactions that affect global climate在这做什么成分？

2.

2.

The fact of some fraternal twins resembling each other greatly and others looking quite dissimilar highlights an interesting and often overlooked feature of fraternal-twin pairs, namely they vary considerably on a spectrum of genetic relatedness.

A.      The fact of some fraternal twins resembling each other greatly and others looking quite dissimilar highlights an interesting and often overlooked feature of fraternal-twin pairs, namely they vary considerably

B.       That some fraternal twins resemble each other greatly while others look quite dissimilar highlights an interesting and often overlooked feature of fraternal-twin pairs, namely that they vary considerably 答案

C.      With some fraternal twins resembling each other greatly and others looking quite dissimilar, it highlights an interesting and often overlooked feature of fraternal-twin pairs, namely considerable variation

D.      With some fraternal twins resembling each other greatly and others looking quite dissimilar, it is a fact that highlights an interesting and often overlooked feature of fraternal-twin pairs, namely a considerable variation

E.       Because some fraternal twins resemble each other greatly and others look quite dissimilar, this fact highlights an interesting and often overlooked feature of fraternal-twin pairs, namely they vary considerably

不明白，两个that，主句是什么？

That some fraternal twins resemble each other greatly while others look quite dissimilar为that引导的主语从句做句子主语

 highlights 做谓语 feature做宾语 namely that 引导一个定语从句修饰fenture

that位于句首只有两种情况一是引导主语从句，二是做代词