Q20:

Both the Federal Reserve’s decision that borrowing rates be raised, along with investor’s speculation that another increase might be on the way, helped bolster the dollar in recent weeks by making deposits more attractive.

1. that borrowing rates be raised, along with investor’s speculation that another increase might be on the way, helped bolster the dollar in recent weeks by making

2. that borrowing rates be raised and investors’ speculation of possibly another increase on the way helped to bolster the dollar in recent weeks because they made

3. to raise borrowing rates and investors’ speculation that another increase might be on the way helped to bolster the dollar in recent weeks by making

4. to raise borrowing rates, along with investors’ speculation that another increase might be on the way, helped bolster the dollar in recent weeks because it made

5. to raise borrowing rates and investors’ speculation of possibly another increase on the way helped bolster the dollar in recent weeks because they made

想知道E为什么错?thx

because they made

指代不请

E 中还有一个问题, 正式文体中尽量避免用, POSSIBLE, POSSIBLELY

another increase might be on the way 是对speculation内容的解释，因此用of表达不如用that到位。而to raise borrowing rate是decision的目的，因此用that就不如to准确。不知道这么想对不对。LZM中提到过类似用法的区别。