--- Tomorrow we’ll go hiking in the mountain to experience nature.
---- it rains heavily when we are still halfway?
A. How so
B. what though
C. what for
D. What if
网友回答
A. How so
B. what though
C. what for
(答案→)D. What if
解析：词义辨析。A怎么会这样？B有…关系？C为了..？D要是…又如何？结合句意可知D正确。句意：—明天我们要去山区远足体验自然。—要是我们在半路上下大雨怎么办？