问题

I have no friends to talk with at school.— Don’t worry! I am sure you’ll _______ your classmates if you are kind and friendly to them.
A:an 110-metre-long
B:a 110-metre-long
C:110 metre long
D:110-metres-long;
B:a 110-metre-long
C:110 metre long
D:110-metres-long;
正确答案是: