从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
She ______ several jackets and finally picked out a blue one.

A．No-name hardware can never be as good as name-brand hardware.
B．You are advised to buy read-made systems from major manufactures.
C．You’d better not put in a lot of software.
D．Computer systems are not always so steady.

A．Because it is an important tradition.
B．Because there are too many houses for rent.
C．Because hotel rooms are quite expensive.
D．Because they have no other choices.