Question

In which sentence does a noun clause function as the subject?
A. We practice after school in whichever rooms have the most board space for our work.
B. Bring extra calculators for whoever forgets to bring theirs along.
C.Whoever understands how to multiply and divide numbers by 10 can easily use the metric system.
D. Before the math competition, be sure to memorize whatever formulas you will need.

Answer 1

I think it is C.