Select the most appropriate option to fill in blank no. 3.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. both.
Correct word: Both
Meaning: Refers to two things mentioned together.
Context: "Mentally and physically" – two qualities; hence, "both" is the right choice.
Final sentence: She has proved that she is stronger both mentally and physically.
Hence, the chosen option is correct.