​ --- Are you thinking about going to New York for the holiday?--- Are you thinking about going to New York for the holiday?　　--- No.But if I ________ the time,I would definitely go.　　A.have B.had C.have had D.would have句意是现在没有时间,如果将来有时间了,就去,那么在条件状语从句中用一般现在表将来啊,为什么答案是B,不是A

​ --- Are you thinking about going to New York for the holiday?
--- Are you thinking about going to New York for the holiday?
　　--- No.But if I ________ the time,I would definitely go.
　　A.have B.had C.have had D.would have
句意是现在没有时间,如果将来有时间了,就去,那么在条件状语从句中用一般现在表将来啊,为什么答案是B,不是A