|Question 20Verbal

Source Texts

Text
Most US states and territories have had at least one woman serve as governor. In Nebraska, for example, Governor Kay A. Orr took office on January 9, 1987. In fact, the number of states and territories that have had only male governors        almost every year.
Which choice completes the text so that it conforms to the conventions of Standard English?
is shrinking
A
shrink
B
are shrinking
C
have been shrinking
D