【单选题】

What is ProfessorBaker’s opinion

A、He believes that it is a good idea to do all of the things thatBetty andBill suggesteD、

B、He agrees withBetty.

C、He believes that it is a bad idea to do all of the things thatBetty andBill suggesteD、

D、He believes that it is ideal to live in a country where the language is spoken.