After a Major Rainstorm in a Humid Climate and with No

Multiple Choice

After a major rainstorm in a humid climate and with no overland flow to a stream, why does the stream level rise almost immediately?

A) Groundwater seeps down to raise the water table and forces older groundwater out into the stream. ​
B) The groundwater moves very fast, through porous ground, to the stream.
C) The stream rise comes from farther up the drainage basin.
D) Actually it doesn't rise rapidly; it merely seems like it does.
E) The groundwater displaces older groundwater in the stream, over the water table.