While （） an enquiry, you ought to enquire into quality specification and price etc.

A:making B:offering C:sending D:giving

While（）an enquiry，you ought to enquire into quality，specification and price etC．

A:giving B:offering C:sending D:making

I' m calling to enquire about the position（）in yesterday' s China Daily.

A:advertised B:to be advertised C:advertising D:having advertised

I' m calling to enquire about the position（　）in yesterday' s China Daily.

A:advertised B:to be advertised C:advertising D:having advertised

The goods you enquire （）are out of stock now.

A:by B:with C:for D:in

The goods you enquire （） are out of stock now.

A:by B:with C:for D:in