--Maria,don't forget to put sugar in my coffee.--I _____some already.A.put B.will put C.have puyD.--Maria,don't forget to put sugar in my coffee.--I _____some already.A.put B.will put C.have putD.am putting

--Maria,don't forget to put sugar in my coffee.--I _____some already.A.put B.will put C.have puyD.
--Maria,don't forget to put sugar in my coffee.--I _____some already.
A.put B.will put C.have putD.am putting

--Maria,don't forget to put sugar in my coffee.--I _____some already.
A.put B.will put C.have putD.am putting
选C
因为后面有【already】,表示已经,所以用现在完成时
有不会的可以再问我