Figure $18 < 1$ -If $\mathrm { R } _ { \mathrm { j } } = 4.7 \mathrm { k } \Omega$

Figure $18 < 1$
-If $\mathrm { R } _ { \mathrm { j } } = 4.7 \mathrm { k } \Omega$ and $\mathrm { R } _ { f } = 0.18 \mathrm { M } \Omega$ in Figure 18-1(c) , the voltage gain equals

A) -38.3
B) -1
C) -39.3
D) infinite