What __________ your first teacher like ,friendly or serious A does B did C was D is 说明理由

What __________ your first teacher like ,friendly or serious A does B did C was D is 说明理由
Mary in Class Three is ________ than _________ in Class Two.
A fatter ,any other students B fatter,any other student
C fater,the other student D fater,the other students说明理由