Choose the most appropriate word to fill in the blank in the following sentence:

The alibi offered by the suspect in the chain-snatching incident did not appear to be ____.

credible

The correct answer is Option (1) → credible

The alibi offered by the suspect in the chain-snatching incident did not appear to be _credible___.

Credible means believable or seeming true. This fits the context perfectly as we're discussing whether the suspect's alibi seems trustworthy in the chain-snatching incident.