The sentence that has a misplaced modifier is option D. Walking to school, Mike dropped his watch. A misplaced modifier consists of a group of words that does not clearly state the exact word it modifies because the words are misplaced or left out thus, calling it a dangling modifier.
Zuri Ross’s dog or cat is the completer subject
Every frugal shopper counts his or her coupons before he or she shops.
Shopper is singular so your pronoun has to be singular as well.
Answer:
Furthermore goes in the first empty box.
However goes into the second empty box.
