|Question 20Verbal

Source Texts

Text
From 2009 to 2019, travelers flew out of major urban airports with increasing        Washington Dulles International Airport in Washington, DC, saw a 6.9 percent increase in airline passengers, from 11,122,438 total passengers in 2009 to 11,892,778 in 2019.
Which choice completes the text so that it conforms to the conventions of Standard English?
frequency, for example,
A
frequency, for example:
B
frequency, for example.
C
frequency. For example,
D