Ans:
A smiles splitting their faces
There are four kinds of sentence functions, and those are: interrogative, declarative, exclamatory, and imperative.
So the word which is not supposed to be here is d. question.
Capitalize trust and make sure to add a comma after safe instead of a period, jsut check your capitalization and your commas and periods, i'm pretty sure the rest is right. Hope this helps you out.