-Is Lucy or Lily the _ _ of the twins?Lucy. She was born half an hour earlier.A. younge

问题补充：

-Is Lucy or Lily the _ _ of the twins?

--Lucy. She was born half an hour earlier.

A. younger

B. youngest

C. elder

D. eldest

答案：

A. younger

B. youngest

(答案→)C. elder

D. eldest

解析：本题答语的含义是露西早半个小时出生，所以上句问的应该是双胞胎露西和莉莉哪个更大一点，比较级elder表示更大的意思，故本题选C。