Directions (1-15): In each question, a part of the sentence is printed in bold. Below each sentence, some phrases are given which can substitute the bold part of the sentence. Find out the phrase which can correctly substitute that part of the sentence. If the sentence is correct as it is, the answer is ‘No correction required’ or ‘No improvement’.
Q1. The poor villagers have waited in the bitter cold for more than four hours now.
(a) has been waiting
(b) had waited
(c) have been waiting