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)
- AOption (a)
(1)
- BOption (b)
(2)
- COption (c)
(3)
- DOption (d)
(4)
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Correct answer
(1)