It shames me to say it, but I told a lie when ________ at the meeting by my boss．

1. A.
   questioning
2. B.
   having questioned
3. C.
   questioned
4. D.
   to be questioned

  It shames me to say it, but I told a lie when ___ at the meeting by my boss.

    A. questioning                                    B. having questioned

    C. questioned                                     D. to be questioned

It shames me to say it, but I told a lie when ________ at the meeting by my boss.

A. questioning       B. having questioned     C. questioned        D. to be questioned

It shames me to say it,but I told a lie when _________ at the meeting by my boss.?

A.questioning　　　　　　　　　　　 B.having questioned　

C.questioned 　　　　　　　　　　　 D.to be questioned