单项选择题

According to the writer, Polly Brown's mistake occurred when it
A.continued to trade despite making a loss.
B.attempted to attract a different type of customer.
C.tried to break into too many markets at the same timE.
D.expected American consumers to pay British prices for goods.

A.continued
B.
B.attempted
C.
C.tried
D.
D.expected
E.