68. The writer is concerned about the level of emphasis on explaining how Time Dollar services are exchanged and is therefore considering deleting the preceding sentence. Should this sentence be kept or deleted?
Your Answer is
Correct Answer is G
Explanation
The stem of the question says "The author considers emphasizing the explanation of how the Time Dollar service is exchanged, so the previous sentence is deleted in advance." The previous sentence is an example of time dollar exchange, which serves the main purpose and cannot be deleted. The reason for G is explained correct.
Item F: "most frequently" is not mentioned.