Choose the concessive connector that correctly modifies an adjective phrase:

The newly developed synthetic catalyst achieved high molecular efficiency, ________ at an unacceptably exorbitant production cost.

Answer and explanation

Correct answer: D. albeit

Answer: albeit. Why not the others: 'despite' would require a direct noun phrase without 'at' ('despite an unacceptably exorbitant production cost'); 'whereas' introduces a finite contrastive clause; 'nonetheless' is a conjunctive adverb that cannot link non-finite prepositional fragments in this manner.
  1. Step 1: Determine the grammatical structure: the connector introduces a concessive prepositional/adverbial phrase ('at an unacceptably exorbitant production cost') qualifying the main assertion.
  2. Step 2: 'Albeit' (meaning 'although/even if') is traditionally used to introduce a concession directly followed by an adjective, adverb, or prepositional phrase.

Practise more Cohesive Devices, Discourse Markers, and Error Identification.

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