JEE Main Chemistry question

Which of the following statement(s) is/are true? (i) All amino acids contain one chiral centre (ii) Some amino acids contain one, while some contain more than one chiral centre or even no chiral centre (iii) All amino acids in protein have L-configuration (iv) All amino acids found in proteins have a 1° amino group

• (A)(ii), (iii) and (iv)
• (B)(ii) and (iii)Correct
• (C)(i), (iii) and (iv)
• (D)(i) and (iv)