My sister… (1) to cook. … (2) always has brilliant ideas for my lunch every day. … (3) cooks oxtail soup for today. I invite my friends to our house to taste this soup. … (4) love it so much and tell … (5) sister to open a restaurant because they think many people will like this soup and she will make much money from …(6).

The correct personal number for number (5) is …

A. his

B. their

C. hers

D. my