15. Bengali author Toru Dutt's A Sheaf Gleaned in French Fields (1876), a volume of English translations of French poems, . __ scholars 'understanding of the transnational and multilingual contexts in which Dutt lived and worked. Which choice completes the text so that it conforms to the conventions of Standard English? A) has enhanced B) are enhancing C) have enhanced D) enhance

## Step 1<br />The sentence is discussing the impact of Toru Dutt's work on scholars' understanding. The subject of the sentence is 'a volume of English translations of French poems', which is singular. Therefore, the verb must also be singular to maintain subject-verb agreement.<br />## Step 2<br />The correct verb tense is the present perfect tense, which is used to describe an action that happened at an unspecified time before now. The present perfect tense is formed with the auxiliary verb 'has' or 'have' and the past participle of the main verb.<br />## Step 3<br />Looking at the options, only option A 'has enhanced' uses the correct verb tense and maintains subject-verb agreement. The other options either use the wrong verb tense or do not maintain subject-verb agreement.