Each of the following sentences contains one blank.

Solution

The sentence indicates that because of modern conveniences, people have become less tolerant of delays or discomfort. Option Analysis A. Expanded – increased in size or scope. This suggests greater tolerance, which is incorrect. B. Sustained – maintained something at the same level. The sentence implies a decline, not stability. C. Reduced – made smaller or less in degree. This correctly reflects declining tolerance. D. Balanced – kept something stable or even. This does not fit the idea of decreasing patience. E. Strengthened – made stronger. This contradicts the context.