Correct option is A
Explanation:
"This is where the safe keeps her jewels he is..." This sequence best matches logical English, describing what "this is," the location (where), and what the safe contains.
Information Booster:
Syntax drills like these train comprehension of location clauses and object-pronoun relatedness ("where the safe keeps...").
Additional Knowledge:
Other arrangements break logical subject-verb or clause relationships, resulting in fragments or run-ons.