I hope that the little ________ I have been able to do does good to them all.
A. which B. what C. that D. when
I hope that the little ________ I have been able to do does good to them all.
A. which B. what C. that D. when
C. 因为当先行词是表示事物的all, little, few, much, anything, everything, nothing等时，多用that引导定语从句。