Select the most appropriate option to fill in the blank.
The reality of the effects of rising aviation industry emissions on climate change has been known for decades, yet the industry and its emissions has continued to grow without _________.

Correct option is C

The correct option to fill in the blank is (c) constraint.
Explanation: The sentence talks about how the aviation industry continues to grow despite its impact on climate change. The word “constraint” means a limitation or restriction (सीमा, प्रतिबंध), which fits the context.
Example: The company expanded without any financial constraint.
Explain why other options are incorrect:
· (a) Easiness: Ease or comfort (सुविधा), doesn’t fit in the context of regulation or restriction.
· (b) Neglect: Failure to care for (उपेक्षा), doesn’t fit logically with “continued to grow”.
· (d) Comfort: A state of physical ease (आराम), unrelated to control or restriction.