The third movement of a Classical Era string quartet usually

a. is in a rondo form.
b. uses a fugue.
c. is in the style of a dance called the minuet.
d. borrows its sonata-form theme from a popular tune of the day.

C
Chapter 19
Pg. 167 Joseph Haydn: String Quartet in C Major, op. 76, no. 3, second movement, LO 19.1