1. The best option that suits the statement given in question is "misplaced modifier". The correct option among all the options that are given in the question is option "a".
2. In "the guitar" Lorca personifies <span>the guitar by comparing it to a "heart that is broken". The correct option among all the options that are given in the question is option "d". </span>
Disgruntled is being angry or unsatisfied
The disgruntled customers yelled at me over the phone.