I had just stepped out of the bathroom and was busily drying myself with a towel
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I had just stepped out of the bathroom and was busily drying myself with a towel ________ I heard the steps．
[]A．while
B．when
C．since
D．after
试题答案
答案：B
解析：“我刚从浴室里出来，正在忙着用毛巾擦干身体，这时，我听到了脚步声．”when为并列连词，意为just then或at that time，引导并列句． |