1.

1). Both I and II2). II only 3). I only4). I, II and III

Answer»

The ERROR lies in part I.

The sentence USES the ADJECTIVE form 'subsequent', which is incorrect. Since it is used directly before a VERB, we should use the adverb form, 'subsequently'.

Parts II and III are grammatically correct and hence do not REQUIRE any corrections.

Therefore, the correct answer is option 3.


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