Figure 1 the Equation for G_m is Given in (B)

Figure 1 The equation for g_m is given in (b) .
-Refer to Figure 1. Assume an unbypassed 36 ▲ resistor is inserted in series with RS. This primary effect of this change is to cause

A) the gain to drop
B) the output to be clipped
C) the input resistance to increase
D) a slight increase in I_D