The final products obtained were washed with deionized water three times, （）in an oven at 80℃.
A.dried
B.dry
C.and then dried
D.and dried
正确答案：and then dried
The final products obtained were washed with deionized water three times, （）in an oven at 80℃.
A.dried
B.dry
C.and then dried
D.and dried
正确答案：and then dried