问题

“I’m going to Hang Zhou for a holiday thisweekend.” “______, you are there, can you buy me some green tea”
A:Because
B:ecause BIf
C:一边……一边、当……时 多强调主从句中动作同时发生
D:After
B:ecause BIf
C:一边……一边、当……时 多强调主从句中动作同时发生
D:After
正确答案是: