I managed to obtain a ticket for the opera,but ____ at the back of the theatre,I could neither see nor hear clearly.

问题描述:

I managed to obtain a ticket for the opera,but ____ at the back of the theatre,I could neither see nor hear clearly.
A.seated
B.sat
C.seating
D.sit

选A后面的,but --- at the back of the theatre,I coule neither see nor hear clearly.是一个复合句,前面的butat the back of the theatre是过去分词短语表示原因,所以这里相当于在but后面有个be.而四个选项中可...