The answer is A. The program prints:
[6, 8, 10, 12, 14, 16]
This answer was checked by running the program for real.
Why?
range(6, 18, 2) counts from 6 in steps of 2 and stops before 18.
The code again
print(list(range(6, 18, 2)))
Try it: change one number in the program and predict the new output before you run it.