单项选择题

Which of the following can be inferred from the tables（）
Ⅰ The number of males majoring in physical sciences is greater than the number of females majoring in that area.
Ⅱ Students majoring in either social sciences or physical sciences constitute more than 50 percent of the total enrollment.
Ⅲ The ratio of the number of males to the number of females in the senior class is less than 2 to 1.

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