Directions : In these questions , a part of the sentence is given in bold . Below are given alternatives to the bold part at (A) , (B) and (C) which may improve the sentence . Choose the correct alternative . In case no improvement is needed you answer is (D ) .

Man is the only animal who can talk.

A federal structure for India was first put forward by the: 

It is a traditional instrument of the Limbu community of Sikkim.

Seven persons A, B, C, D, E, F and G are standing in a row facing the same direction. B is second to the right of C. B is extreme end of the row. Two persons between A and D. D is immediate left of C. Who is 4th from the right end?

Twenty students are standing in a straight-line facing North. Rina is standing sixth from the left end. There are only three students between Rina and Shweta. Radha is standing exactly between Shweta and Rina. Tina is standing sixth to the right of Radha. Anita is standing fourth from the right end of the line. There are more than four students between Rina and Tina.
How many people are standing between Anita and Tina?

संज्ञा शब्द 'नमक' से बना विशेषण है