Trinh plays the flute
Which best expands the sentence to explain more about Trinh as a musician
Trinh plays the flute, and instrument that makes a lovely, high tone.
Trinh plays the flute, and her sister Nhung plays the violin.
Trinh plays the flute beautifully, although she has only taken lessons for a year.
Trinh, Nancy, and George play the flute in the school band