Which One of the Following Sentences Has a Problem with Parallelism

Which one of the following sentences has a problem with parallelism?

A) She wanted to live somewhere that had a cool climate and that had a small population.
B) You need to go online, find the best hotel reservation, and then book it.
C) Try reading a good book rather than watching too much television and eating too many potato chips.
D) If you like doing charity work, going to social functions, and like to meet new people, then you should join this sorority.