Direction: Spot the grammatical errors in the given sentence. Mark the part with error as your answer. If there is no error, mark "No error" as the answer. (Ignore punctuation error)

It so happens (a)/ that this happy campy ritual is their way of life (b)/ and one into which (c)/ they don't particularly welcome voyeuristic intrusions. (d)/ No error (e)

[RBI (GRADE B), 2011]