[QA] Today the (A) number of people (B) whom enjoy winter sports (C) is almost double (D) that of twenty years ago.

V. Mark the letter A, B, C, or D to show the underlined part that need correction in each of the following sentences

Question:

Today the (A) number of people (B) whom enjoy winter sports (C) is almost double (D) that of twenty years ago.

• A.
  number
• B.
  whom
• C.
  is
• D.
  that