建筑企业从其关联方接受债权性投资与权益性投资的比例超过（）而发生的利息支出，不得在计算应纳税所得额时扣除。

A．5:1

B．3:1

C．2:1

D．1:1

Bob asked me_         .

A．what was she doing

B．what is she doing

C．what she was doing

D．what she is doing