Choose the sentence that is closest in meaning to the given one

Choose the sentence that is closest in meaning to the given one. (Chọn câu có nghĩa gần nhất so với câu cho trước)  
Her speaking skill is better than my speaking skill.  

A.  
My speaking skill is as good as her speaking skill.  

B.  
My speaking skill is worse than her speaking skill.  

C.  
Her speaking skill is worse than my speaking skill.  

D.  
My speaking skill is better than her speaking skill.