Mark the letter A, B, C or D to indicate the correct answer to each of

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

 

Thanks to TV, people can get the latest information and enjoy interesting programmes in ...... inexpensive and convenient way.

• A. A. a
• B. B. an
• C. C. the
• D. D. o (no article)