—Why do you drink so much coffee?

—Well, _______ it doesn’t keep me awake in the night, I see no harm in it.?

A. because B. as soon as?C. so long as D. while?

—Well, ______it doesn’t keep me awake in the nights, I see no harm in it.

A.　　  although　　   　　　　　　   　　　　　　  

B.　　  as soon as

C.　　  as long as　　   　　　　　　   　　　　　　  

D.　　 while

—Why do you drink so much coffee?
—Well, _______ it doesn’t keep me awake in the night, I see no harm in it.

1. A.
   because
2. B.
   as soon as
3. C.
   so long as
4. D.
   while

—Why do you drink so much coffee?

—Well, ______it doesn’t keep me awake in the nights, I see no harm in it.

A.　　  although　　   　　　　　　   　　　　　　  

B.　　  as soon as

C.　　  as long as　　   　　　　　　   　　　　　　  

D.　　 while

--Why do you drink so much coffee?

--Well, _____ it doesn't keep me awake in the nights, I see no harm in it.

[　　]

A．although　　　B．as soon as

C．as long as　　 D．while