When can Real GDP per person increase?

Question

A. only if the share of the population employed increases.

B.only if the share of the population employed decreases.

C. only if average labor productivity increases.

D. only if average labor productivity decreases.

E. if the share of population employed and/or average labor productivity increases.

Answer 1

E. if the share of population employed and/or average labor productivity increases.

But this is in case if real GDP is measured per whole country population, for case of real GDP per employed person right answer would be "C".