People often have the belief ________a h
题型：选择题
问题：
People often have the belief ________a healthy environment and development cannot be possible at the
same time, but this does not have to be true.[ ]
A. that
B. which
C. where
D. what
People often have the belief ________a healthy environment and development cannot be possible at the
same time, but this does not have to be true.[ ]
A. that
B. which
C. where
D. what