Select the option that expresses the given sentence in indirect voice. The professor said, 'The study published last year proves that the hypothesis is false.'
Show answer & explanation
Correct answer: A
Explanation
When converting a direct speech sentence into indirect speech, several changes are made:
The reporting verb 'said' is followed by the conjunction 'that'.
The time expression 'last year' changes to 'the previous year'.
The present tense verb 'proves' changes to the past tense 'proved' to maintain consistency with the past tense reporting verb 'said' (backshift of tenses).
The present tense verb 'is' in 'hypothesis is false' changes to the past tense 'was' for the same reason.
Option A correctly follows all these necessary changes.