Mark the letter A, B, C, or D on your answer sheet to indicate the cor

Mark the letter A, B, C, or D on your answer sheet to indicate the correct answer to each of the following questions.    

What is the passage mainly about?

• A. A. Greetings Cards
• B. B. Birthday Cards
• C. C. Christmas Cards
• D. D. Easter Cards

Greeting cards là tên gọi chung của các loại thiệp
=> A