________ you may be right,I can't altogether agree．

A．While

B．As

C．If

D．Sirice

________ you may be right, I can’t altogether agree．

A．While

B．As

C．If

D．Since

________ you may be right, I can’t altogether agree．

A．While

B．As

C．If

D．Since

________ you may be right, I can't altogether agree．

A．As

B．While

C．If

D．Since