He called me ______ he got to school?A when B as C when D soHe called me ______ he got to school?A when B as C when D soC while

问题描述:

He called me ______ he got to school?A when B as C when D so
He called me ______ he got to school?
A when B as C when D so
C while

A和C一样的啊?
那选A.when