Fill in the blank with the correct preposition.
Instead ________ talking endlessly, the speaker should come to the point now.

Correct option is D

Correct option: (d) of
Meaning (in detail):
• instead of → in place of; rather than (Hindi: के बजाय / की जगह)
Correct sentence: Instead of talking endlessly, the speaker should come to the point now.
Grammatical rule (English):
• Fixed expression: instead of + noun/verb-ing
व्याकरणिक नियम (Hindi):
• “instead of” एक fixed phrase है; इसके बाद noun / verb-ing आता है।
Why other options are incorrect (meanings included):
• (a) off → अलग/बंद (Hindi: बंद/अलग) (instead off गलत)
• (b) for → के लिए (Hindi: के लिए) (instead for गलत)
• (c) with → के साथ (Hindi: के साथ) (instead with गलत)
Hence, option (d) is the correct answer.