Helena: Oh, welcome, come in, pleasE.
Jack: ______And here' s a small gift. Let me wish you happy every day.
Helena: Thank you. Oh, what a beautiful birthday card!
A.Many happy returns.
B.Enjoy yourselF.
C.Hoping you'll be well soon!
D.I wish you the best of luck!

A.Jack:
B.
Helena:
C.Many
D.
B.Enjoy
E.
C.Hoping
F.I

【参考答案】

D
解析：上文提到“欢迎您，请进”，下文提到送生日礼物，所以推知空格处很可能是一句祝福语，故D项正确，其他选项不符合文意。