when__the library open?It __from 8a.m to 5:30p.m A.is;is openB.does;opens C.is;opens D.do;is open

问题描述:

when__the library open?It __from 8a.m to 5:30p.m A.is;is openB.does;opens C.is;opens D.do;is open

does
opens