He made a telescope he could use to study the skiesA which B through which C by which D in which为什么选B ,不选A

问题描述:

He made a telescope he could use to study the skies
A which
B through which
C by which
D in which
为什么选B ,不选A

c

我觉得应该是A啊~

A,He made a telescope .He could use the telescope to study the skies.用WHICH来代替第二句中的the telescope

?