Find the part of the sentence that contains an error:
In response to an alarming spike in fraudulent transactions, (1)/ the bank introduced mechanism (2)/ to verify customer identities using two-factor authentication, (3)/ biometric checks, and behavioural patterns. (4)
Show answer & explanation
Correct answer: B
Explanation
The phrase:
“introduced mechanism”
Error:
Missing article before singular countable noun “mechanism”
Correct form:
“introduced a mechanism”
Correct sentence:
In response to an alarming spike in fraudulent transactions, the bank introduced a mechanism to verify customer identities using two-factor authentication, biometric checks, and behavioural patterns.