What is the correct answer?

4

Each question consists of four sentences. Some sentences are grammatically incorrect or inappropriate. Select the option that indicates these grammatically incorrect and inappropriate sentence(s).
A. I remember seeing a full page advertisement with a bright background colour.
B. The only other item on the page was a very small line of type in a lighter shade of the same colour.
C. Since I can still recall the ad, it must made an impression.
D. Using colour to impact your design works best when it involves the unexpected or extreme.