4. In 1981, for the first time in over two decades, the average scores of high school students on standardized math and English tests did not decline. During the same year, millions of American students enjoyed their first exposure to the new world of the microcomputer, whether in schools, video arcades, or other settings. The conclusion is clear: far from stultifying the intellectual capacities of students, exposure to computers can actually enhance them.
The most serious weakness of the argument above is its failure to
(A) discuss the underlying causes of the twenty-year decline in students’ test scores
(B) cite specific figures documenting the increases in test scores
(C) distinguish among the various types of computer being used by high school students
(D) define the intellectual capacities tested by the standardized math and English tests referred to
(E) explain exactly how high school students’ abilities on math and English tests could have been enhanced by exposure to computers
The answer is E, my choice is D, anyone could help to explain?
The author's conclusion is that exposure to computers can actually enhance the intellectual capacities, he argues this based on the evidence that the average scores of high school students on standardized math and english tests did not decline. There is a gap between the intellectual capacities and the tests. So, I think the answer should bridge this gap.
I also support D
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