Sentences of a paragraph are given in jumbled order. Arrange the sentences in the correct order to form a meaningful and coherent paragraph.
(A) This is primarily because they contaminate his food, carry diseases or devour his crops.
(B) We regard them as unnecessary creatures that do more harm than good.
(C) We have been brought up to fear insects.
(D) Man, continuously wages war on them.

Correct option is A

The correct order of the sentences is CBDA for the following reasons:
· Sentence (C) introduces the idea that humans have been brought up to fear insects, setting the context.
· Sentence (B) builds on this by elaborating that insects are seen as harmful creatures.
· Sentence (D) explains how humans respond to this perception by waging war on insects.
· Sentence (A) concludes the paragraph by justifying why humans view insects as harmful, providing specific reasons such as contamination, diseases, and crop damage.
Thus, the arrangement CBDA creates a logical and coherent flow of ideas.