问题

These tress ________ and also ____________.
A:need trimming(修剪); need to water
B:need to trim; need watering
C:need trimming; need watering
D:need be trimmed; need be watered
B:need to trim; need watering
C:need trimming; need watering
D:need be trimmed; need be watered
正确答案是: