Right Panel: the Market: a Shift of Short-Run Supply in Response

Right Panel: The market: a shift of short-run supply in response to an increase in demand.
-Refer to the diagrams above.If the market demand for wheat and the market supply of wheat are represented by D and SRS,respectively,we expect

A) the firm to raise the market price to increase profit.
B) the firm to increase production as large as possible to increase profit.
C) new firms to enter the industry.
D) some existing firms to exit the industry.
E) neither new entry nor exit of existing firms.