Mom,help me with it.All right,I__you

题目

Mom,help me with it.All right,I__you
A am helping
B am going to help
C am to help
D will help

答案

D
will和be going to都有“将要／打算做………”的意思,而will 还有表示临时做出的决定,根据语境,可知他妈妈是临时做出了决定.