"-Er ve More"nin beraber kullanıldığı yerler Test 1

Aşağıdaki cümlelerin hangisinde '-er' ve 'more' birlikte doğru kullanılmıştır?

A) She is more smarter than her brother.
B) This car is more faster than that one.
C) He is more intelligent than his friend.
D) They are more happier now.