39．— _________ have you been learning English ．

题目：39．— _________ have you been learning English ．

—I have been learning English for six years．
A． How long
B． How often
C． How far
D． What time

喵查答案：A

39.A【解析】根据第二句的回答可知第一句问的是 “你学英语多久了”，故A为正确选项．