Which of the following is using the indicative mood?（）
A、
Be quiet for a moment.
B、
She became a doctor after college.
C、
Let's run to the police station on fourth street.
D、
Never judge a person by looks.
【正确答案】：B
【题目解析】：
B项运用陈述语气，句意为“大学毕业后，她成为了一名医生。”其它选项为祈使语气。