Which of the following is the JSON encoding of a dictionary or hash?
A.{“key”:”value”}
B.[“key”,”value”]
C.{“key”,”value”}
D.(“key”:”value”)
正确答案A 
Which of the following is the JSON encoding of a dictionary or hash?
A.{“key”:”value”}
B.[“key”,”value”]
C.{“key”,”value”}
D.(“key”:”value”)
正确答案A 