i can't believe he could jump__high. A.such B.that

b,因为such后接名词啊

b
具体为什么忘记了.凭着语感选的.但是such后面一般是跟名词的.

B,that在这里等于so。

such+名词
that此处相当于so;

B

such 不能直接用来修饰形容词语。

spent that much on this car is stupid.

that 强调