God made the rainbow as a promise to Noath _____ he would never flood the world again

问题描述:

God made the rainbow as a promise to Noath _____ he would never flood the world again
A which
B that
C what
D when

B
这里考查同位语从句
同位语从句中连词只能用that
“he would never flood the world again”是promise的同位语