RMD007 wrote:
I selected option E and now know that it is wrong because of wrong usage of "when".
I have following doubt in option D.
In option D - first "that" refers to "visible equipment" and second "that" refers to "the amount of energy".
How can the same "that" refer to two different entities in a sentence?
Your query has already been very well explained by the EducationAisle expert.
Additional note:
The rule that the same pronoun cannot refer
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