A sentence has been given with a blank to be filled with an appropriate word.
Writing down instructions, steps and remembering them can make you look really efficient and ________.

Correct option is C

The correct option to fill in the blank is (c) diligent.
Diligent means showing care and effort in one's duties or work. (मेहनती, सजग)
Explanation: The sentence refers to someone who writes and follows instructions—this reflects careful and active effort, which matches the meaning of “diligent”.
Example: She is a diligent student who always completes her assignments on time.
Other options are incorrect because:
· (a) Sluggish – Slow and lazy (सुस्त)
· (b) Dormant – Inactive or sleeping (निष्क्रिय)
· (d) Operable – Able to be used or operated (संचालित करने योग्य); not suitable for describing a person