where's your mother?She is in the kitchen,dinner

问题描述:

where's your mother?She is in the kitchen,dinner
A preparing B to prepare C preparing for D to prepare for

看横线划哪里.
如果是where's your mother?She is in the kitchen,____dinner
就是C、
如果是where's your mother?She is in the kitchen____dinner
就是D、不定式表目的、