Some leaves from a nearby bush fell into the water and remained there for __A,some times B.sometimes C.some time D.some dys

Some leaves from a nearby bush fell into the water and remained there for __A,some times B.sometimes C.some time D.some dys
Some leaves from a nearby bush fell into the water and remained there for __
A,some times B.sometimes C.some time D.some dys

Some leaves from a nearby bush fell into the water and remained there for __A,some times B.sometimes C.some time D.some dys
C,

D。some days
句意：【一些来自附近灌木丛中的叶子掉进水里，留在那儿有一段时间了、】