My brother worked_____than any other member in his team and got

My brother worked_____than any other member in his team and got the first prize.
A、hard
B、harder
C、hardest
D、hardly
【正确答案】：B
【题目解析】：本题考查比较句式。句意：我的弟弟比他们队里的任何其他成员都要更努力，所以他拿了一等奖。句中有比较级的标志than，因此这里应用比较级。故本题选B。