【单选题】

Sophia: There'll be an issue next month introducing your newly published book and I'd like to have an interview with you, if possible.Josh: An interview I'd like to, but I'm afraid my schedule is all full.Sophia: It won't take you long, Mr. Josh. ______.
A．One and a half hours will satisfy

B．One and a half hours will do
C．One and a half hours will go
D．One and a half hours will help