Select the option that best expresses the meaning of the idiom "a shot in the arm":

Something that encourages.

The correct answer is Option (1) - Something that encourages

The idiom "a shot in the arm" refers to something that provides a boost, encouragement, or motivation, particularly in challenging situations. It often implies a revitalizing or invigorating effect.

The other options do not accurately capture the meaning of the idiom:

• "To shoot with a gun"  (Incorrect) – This is a literal interpretation and does not convey the idiomatic meaning.
• "To hit in the arm"  (Incorrect) – This also describes a literal action and not the figurative meaning.
• "To discourage someone"  (Incorrect) – This is the opposite of what the idiom expresses.