题目选项分析

If efforts to decrease the cost of tuition for higher education are successful, much more students will enter college in the next decade than entered during the 1970s and 1980s, a period during which college enrollments reached an all-time high.

If efforts to decrease the cost of tuition for higher education are successful, much more students will enter college in the next decade than entered during the 1970s and 1980s, a period during which college enrollments reached an all-time high.