Correct option is D
The most appropriate meaning of the idiom
“Tilt at windmills” is
“To waste time dealing with enemies and problems that do not exist.”
· This idiom refers to engaging in conflict or struggle against imaginary enemies or issues.
·
Example: "Fighting against those rumors was like tilting at windmills; they were just not true."
· Thus,
(d) correctly captures the meaning.
Meanings of other given words:
·
To be young and inexperienced - Incorrect; this does not relate to the concept of imaginary struggles.
·
To celebrate good news - Incorrect; it suggests positivity rather than futility.
·
To blow hot air - Incorrect; while it implies talking nonsense, it does not encompass the idea of fighting imaginary foes.