Which of the Following Statements Is/are Correct

Multiple Choice

Which of the following statements is/are correct?
i.A molecule is nonpolar if it contains only nonpolar bonds
ii.A polar molecule is one in which there is an asymmetrical distribution of charge.
iii.If the central atom in a molecule has no lone pairs and all the atoms bonded to it are identical,the molecule is nonpolar.

A) i only
B) ii only
C) iii only
D) i and iii
E) All statements are correct