|Question 21Verbal

Source Texts

Text
In February 1864, James Johnson joined the US Army. He went on to serve in the 18th New York Cavalry during the US Civil War and, ______ earned a place in US history as one of the war's few Chinese-born American soldiers.
Which choice completes the text with the most logical transition?
usually,
A
for instance,
B
in any case,
C
in doing so,
D