Which is a compound-complex sentence?

Responses
A The new computer took forever to download the latest game.The new computer took forever to download the latest game.
B She carefully wrapped the gift, handed it to Jonathon, and smiled with pride.She carefully wrapped the gift, handed it to Jonathon, and smiled with pride.
C The house is near the interstate, it is the perfect size, and its price is affordable.The house is near the interstate, it is the perfect size, and its price is affordable.
D Eileen and Theodore, the most generous people on the planet, purchased two video games.Eileen and Theodore, the most generous people on the planet, purchased two video games.
E Coach Danforth tried her best to recruit Sierra, but she was a committed swimmer who had no interest in lacrosse.

A compound-complex sentence is a sentence that has at least two independent clauses and at least one dependent clause.

Looking at the options provided:

A. The new computer took forever to download the latest game. (Simple sentence)
B. She carefully wrapped the gift, handed it to Jonathon, and smiled with pride. (Compound sentence with a series of actions)
C. The house is near the interstate, it is the perfect size, and its price is affordable. (Compound sentence with a list of independent clauses)
D. Eileen and Theodore, the most generous people on the planet, purchased two video games. (Simple sentence with an appositive phrase)
E. Coach Danforth tried her best to recruit Sierra, but she was a committed swimmer who had no interest in lacrosse. (Compound-complex sentence with two independent clauses: "Coach Danforth tried her best to recruit Sierra" and "she was a committed swimmer" as well as one dependent clause "who had no interest in lacrosse.")

The correct answer is:

E. Coach Danforth tried her best to recruit Sierra, but she was a committed swimmer who had no interest in lacrosse. (Compound-complex sentence)