|Question 15Verbal

Source Texts

Text
On April 12, 1985, the space shuttle Discovery blasted off into space, commencing Mission _____ six days and twenty-three hours, the mission ended when the shuttle landed at Kennedy Space Center in Florida.
Which choice completes the text so that it conforms to the conventions of Standard English?
STS-51-D, it lasted
A
STS-51-D, lasting
B
STS-51-D lasting
C
STS-51-D. Lasting
D