Sentence Improvements Questions for SSC CHSL Exam 2016

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 company goes to great length to ensure that employees can be comfortable in their work environment.
(a) will be comfortable
(b) should be comfortable
(c) are comfortable
(d) No improvement