Correct Answer: Option C
সঠিক উত্তর হল C) filled.
-The sentence suggests that the cost is for a completed dental procedure. "Filled" is the past participle form of the verb "fill," which indicates a completed action in the past. Therefore, it is the correct form to use in this sentence.
Option A ("filling") is incorrect because it is the present participle form of the verb, which indicates an ongoing or incomplete action.
Option B ("being filled") is also incorrect because it is the present participle form in the passive voice, which suggests that the tooth is being filled by someone else, rather than the subject taking an active role in the action.
Option D ("filling up") is incorrect because it suggests adding something to the tooth until it is full, which is not the same as filling a cavity in a tooth.
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