63. If the writer were to delete the underlined portion (ending the sentence with a period), the essay would primarily lose information that:

Answer and Explanation

Your Answer is

Correct Answer is B

Explanation

The deleted part is an account of the whistlers profession, so item B is correct.

Item A: love to compete is not mentioned.

Item C: unusual for professional whistlers to compete is not mentioned.

Item D: winners are not mentioned.