The earthquake in Japan was so violent___cause a series of explos_英语解答

The earthquake in Japan was so violent___cause a series of explosions of the nuclear reactions.
A.to B that c as to D as that

人气：268 ℃　时间：2020-06-04 07:16:06

解答

so as to
以便；以致
因为后面并不是从句,是个不定式结果状语.
如果改成:so violent () it cause .
这就是从句了,就应该用:B that