问题描述：
w/hat were you doing when tong phoned you __i had just finished my work and __ to take a shower.
what were you doing when tony phoned you -i had just finished my work and __ to take a shower.
A.had started Bstarted Chave startedD was starting
what were you doing when tony phoned you -i had just finished my work and __ to take a shower.
A.had started Bstarted Chave startedD was starting
问题解答：
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