In the Endogenous Growth Models of Lucas and Romer, an Increase

In the endogenous growth models of Lucas and Romer, an increase in a worker's level of human capital

A) increases the amount of additional human capital he or she can produce, but does not increase the amount of output she can produce.
B) increases the amount of additional output he or she can produce, but does not increase the amount of human capital she can produce.
C) increases both the amount of additional human capital he or she can produce and the amount of output she can produce.
D) increases neither the amount of additional human capital he or she can produce nor the amount of output she can produce.
E) increases both the amount of additional human capital he or she can produce and the amount of total factor productivity produced.