问题

havingbreakfast, Lee went through all the ______ ads in the newspaper, hoping to finda suitable job
A:the telephonerang
B:the telephonewas ringing
C:the telephonewas heard ring
D:I heard thephone ringing
B:the telephonewas ringing
C:the telephonewas heard ring
D:I heard thephone ringing
正确答案是: