54. The writer is considering deleting the phrase "—and so fulfilling" from the preceding sentence (placing a period after the word challenging). Should this phrase be kept or deleted?
Your Answer is
Correct Answer is G
Explanation
--and so fulfilling is a description of the author's other feeling about the difference besides finding it challenging, and it needs to be left. Moreover, the sense of well-being mentioned below is a further explanation of fulfilling. G explained correctly.