Well, but is a coordinating conjunction and in this case, it is connecting two Independent clauses. So, that way it's ok; not that the sentence is perfect, because the meaning is not coming out clearly. Please note that parallelism does not mean that the entire sentence should be in the same tense.

OA: B. However in B, that and which are not parallel so i chose D. Please explain Hi Abhijit, you raise an interesting point that perhaps can cause confusion among a lot of people. Since you mention parallelism , let's analyze this sentence from a parallelism perspective. What components of this se...

My reasoning :- I preferred "proclaimed" as verb rather then participle , thinking that sub of "proclaimed" is clear "the Roman Catholic Church" Hi Vipul, every valid sentence must have a main verb (the verb of an Independent clause). In A, the verb proclaimed appears ...

Indeed, as Mitch rightly pointed out, and also cannot be considered redundant. Another officially correct sentence: The organic food industry has organized a successful grassroots campaign - using websites, public meetings , and also mass mailings - that has convinced the Department of agriculture t...

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whether is used when the intent is to depict a choice , an alternative or a possibility . Two most prominent grammatical clues indicate that whether should be used: 1. After prepositions 2. After verbs Sentence under consideration is a classical example, where whether is used after the preposition ...

According to the sentence, two things have happened to the sales (of the restaurant company): i) Its sales have increased dramatically ii) its sales at restaurants open for more than a year have declined Because have declined is present in the non-underlined portion, we should use have increased in ...

In option E, which you have chosen, at the very least there is a meaning ambiguity , since it mentions: he heard of such an optical instrument being made . This can mean that the optical instrument was in the process of being made, while the original sentence clearly tells us that such an optical in...