Hello,I'm David Manning Nice to meet you

Hello,I'm David Manning Nice to meet you
A.I'm nice.too
B.Fine,thank you
C.Nice to meet you,too.I'm Xiaoyan
选正确答案到句子中
He at a school
A.work B.works C.working
I usually get up 7 o'clock in the morning
A.second B.in C.on
The Business Department is on floor
A.second B.the two C.the second