A complex sentence contains one independent clause and at least one dependent clause. Which option is a complex sentence? (1 point)

COURSE TOOLS
Cristina has been a swim instructor for three years, so she has a lot of experience working with kids.
• After swim team practice, Cristina's best friend drives her home.
• The lifeguard at the town pool is Christina.
Cristina learned to swim when she was three, and now she is the captain of the high
school swim team.

Cristina learned to swim when she was three, and now she is the captain of the high school swim team.