Chapter 4, Problem 10RA

According to the law of mass action, which of these conditions will drive the reaction $\text{A+B}\rightleftarrows \text{C}$ to the right?

$\begin{array}{l}\text{a}\text{. an increase in the concentration of A and B}\hfill \\ \text{b}\text{. a decrease in the concentration of C}\hfill \\ \text{c}\text{. an increase in the concentration of enzyme}\hfill \\ \text{d}\text{. both }a\text{ and }b\hfill \\ \text{e}\text{. both }b\text{ and }c\hfill \end{array}$