问题
选择题
On average, these footprints are 14 to 18 inches long, 5 to 9 inches wide and much larger than _______ of a human.
A．that
B．it
C．those
D．one
答案
答案：C
本题句意“这些足迹评价是14到18英寸长，5到9英寸宽，比一个人的脚印大得多”。前面提到的footprints是复数，与人的脚印比，也是复数。故用those。