krishna789 wrote:
Why not option B, SV agreement should be with its, why their come in to the picture. Please help me on this regard
B is wrong on two counts. i have bolded the wrong portion
B says :the host mother tries to identify its own eggs and weed out the fakes, but the brown-headed cowbird – a brood parasite that sneaks its eggs into other birds’ nests – produces eggs that look very similar to that of the host, making it surprisingly difficult
"that of" is wrong here
also "it"
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