-Don't read in ___ bed or in ___ sun.It's bad for your eyes.-OK.I won't.A.the;the B.the;/C./;the D.a;the选哪个?为什么?

-Don't read in ___ bed or in ___ sun.It's bad for your eyes.-OK.I won't.A.the;the B.the;/C./;the D.a;the选哪个?为什么?
-Don't read in ___ bed or in ___ sun.It's bad for your eyes.-OK.I won't.
A.the;the B.the;/
C./;the D.a;the
选哪个?为什么?

-Don't read in ___ bed or in ___ sun.It's bad for your eyes.-OK.I won't.A.the;the B.the;/C./;the D.a;the选哪个?为什么?
选c.in bed 躺在床上.in the bed在床上.太阳是独一无二的名词应该加the

选C
因为床是泛指，太阳只有一个，是确指

C
in bed 卧床
in the bed 在床上