－Would you like to go to the concert with me?

－I'd love to, ________ I'm afraid I have no time．

A．

so

B．

or

C．

and

D．

but

－Would you like to go to the concert with me?

－I'd love to,________ I can't．I have a lot of homework to do．

A．

or

B．

but

C．

so

D．

and