Answer: A. enjoyable or entertaining activities
Explanation:
B. A possessive noun should have its instead of it's (which is a contraction for it is).
For A. Diana is a singular noun and the apostrophe should come after the r instead of after the s.
For C. The duck would've dunked ITS instead of IT'S beak since it is possessive.
For D. You do not need to put an apostrophe since theirs is already a possessive noun.
Answer:
He seemed in his heart to reproach her for being too perfect, and because there was nothing to reproach her with.
Explanation: