Question

(杭州市2006)

She worked so quietly ________ no one knew she was there.

[　　]

A．which

B．a(chǎn)fter

C．a(chǎn)s

D．that

Answer 1

答案：D
解析：

解析：so... that...意為“如此……以至于……”，用來引導(dǎo)結(jié)果狀語從句，so用來強(qiáng)調(diào)形容詞或副詞，故選D。句意為：她如此安靜地工作以至于沒有人知道她在那兒。