How is the layer of P-substrate, that intimate the provision of channel for electrons by touching substrate to metal -oxide film with the semantic behaviour of N-channel, can be referred as?

How is the layer of P-substrate, that intimate the provision of channe

1.	How is the layer of P-substrate, that intimate the provision of channel for electrons by touching substrate to metal -oxide film with the semantic behaviour of N-channel, can be referred as?
A.	N-type Inversion layer
B.	P-type Inversion layer
C.	Both
D.	None of the above
Answer» B. P-type Inversion layer