Mark the letter A, B, C, or D on your answer sheet to indicate the sentence that best combines each pair of sentences in the following questions.

The film was not interesting. However, he tried to watch the whole film.

A. Uninteresting as was the film, he tried to to watch the whole film. 

B. Despite of the uninteresting film, he tried to to watch the whole film. 

C. Uninteresting as the film was, he tried to to watch the whole film. 

D. In spite of the film uninteresting, he tried to to watch the whole film.

Cho hàm số y=f(x) liên tục trên  ℝ ,f(2)=3 và có đồ thị như hình vẽ bên

Có bao nhiêu số nguyên  m ∈ - 20 ; 20 để phương trình có 4 nghiệm thực phân biệt. f ( x + m ) = 3

A. 2

B. 18

C. 4

D. 19