There is no point in even ________ an explanation-he will never listen．

1. A.
   being attempted
2. B.
   having attempted
3. C.
   attempt
4. D.
   attempting

There is no point in even ________ an explanation-he'll never listen．

1. A.
   promising
2. B.
   promoting
3. C.
   discussing
4. D.
   attempting

There is no point in even ____ an explanation ---he will never listen.

      A. being attempted   B. attempting      C. having attempted     D. attempt

There is no point in even attempting ________ an explanation—he'll never listen.

A．to give B．giving

C．having given D．to be giving