Laboratory rats and mice live up to 40 percent longer than usual when
fed a diet {of at least 30 percent fewer caloriesthan that which they
would normally eat, but that otherwise} contains all necessary vitamins
and nutrients.
a. of at least 30 percent fewer calories than that which they would
normally eat, but that otherwise
b. with at least 30 percent fewer calories than what they would
normally eat though otherwise it
c. that has at least 30 percent fewer of the calories that they would
normally eat, but otherwise it
d. that has at least 30 percent fewer calories than they would
normally eat but that otherwise
e. that has at least 30 percent fewer calories than that which they would
normally eat, though that otherwise
想請問(一)A.E 中的than that which:
1.是正確用法嗎
2.that如何判斷指代calories還是diet
(二)E的第2個that解答說無指代是為什麼呢?
附上A.E的詳解
謝謝
A. The sentence awkwardly describes a diet of calories;
the singular pronoun that logically refers to diet but syntactically
is compared with the plural calories.
E.The singular relative pronoun that nonsensically refers to the plural
calories, and the second appearance of that is without a referent.
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