从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
1．___ successful launch of Tiangong-1 on September 29th marked ____ significant step in our country's plan to build a space station．
A．The, a B．/, a ' C．A, the D．/, the
2．The couple is satisfied with the apartment, for it ___________ their needs．
A．copes with B．associates with
C．connects with D．corresponds with
3．When it shopping, women and men have totally different attitudes, according to a study titled Men Buy, Women Shop．
