A-A+
In a month of work days (approximately 20) ho
问题详情
In a month of work days (approximately 20), how many calls could the solar contractor expect if this current rate continues unchanged？
A．60
B．30
C．150
D．120
参考答案
正确答案：D
解析：文中第六段提到"I'm getting six a day now"，每天6个电话，一个月6×20=120。
