Given below is a word, followed by three sentences which consist of that word. Identify the sentence(s) which best express(es) the meaning of the word. Choose option 5 ‘None of these’ if the word is not suitable in any of the sentences.

Corroborate

A. Recent research seems to corroborate his theory.

B. Employment trends corroborate the dismal economic picture.

C. There was no one to corroborate her story about the disturbance in the lounge.