When the students the teacher about their problems he was ready to give a helping hand.

问题补充：

When the students the teacher about their problems, he was ready to give a helping hand.

A. reminded

B. consulted

C. persuaded

D. combined

答案：

A. reminded

(答案→)B. consulted

C. persuaded

D. combined

解析：考查动词。A. reminded提醒；B. consulted请教；C. persuaded说服；D. combined结合。句意：当学生请教老师他们的问题的时候，他总是伸出援助之手。故B正确。