Direction: The following question consist of a set of sentences or parts thereof. One or more of these sentences/parts contain an error from the view point of requirements of Standard English grammar and/or usage. Select the sentence(s)/part(s) having an error.

(A) A pioneer of electric blues guitar, Guy was among the first players (B) who have experimented with a noisy feedback-laced approach to playing, (C) but was beaten to the punch by the 'British invasion', (D) owing to the short-sightedness of the record label he was with at the time.