Which sentence does not contain any errors? A. Let's go out in Zacks' convertible. B. Whose initials are written in green ink? C. Are both of the bosses families' invited to the picnic? D. Its a lovely day to take a drive.

The sentence on letter b is the correct answer. Unlike all the errors found in letter a (Zacks' instead of Zack's), letter c (families' instead of families), and letter d (Its instead of It's), letter b a perfect thought without any errors in its punctuation marks.