You are too thirsty__you should drink some water.A.so B.or C.because D.but

You are too thirsty__you should drink some water.
你太渴了,（）你应该喝点水.

A. so 所以
B. or 否则
C. because 因为
D. but但是

四个选项中,只有“所以”是符合的,所以选A.