The workers returned home,their clothes ________ wet with sweat.A) to be B) having been C) being D) been

The workers returned home,their clothes ________ wet with sweat.A) to be B) having been C) being D) been
The workers returned home,their clothes ________ wet with sweat.
A) to be B) having been
C) being D) been

The workers returned home,their clothes ________ wet with sweat.A) to be B) having been C) being D) been
答案是C
考察点是独立主格结构