Correct option is B
The correct active voice of the given sentence is (b) The researcher is collecting data.
Explanation:
· To convert from passive to active voice, identify the subject, verb, and object. In the passive sentence, data is the object, and the researcher is the doer (subject).
· The active voice changes the structure: Subject + is/are/am + verb(ing) + object.
· Hence, Data is being collected by the researcher becomes The researcher is collecting data.
Structure:
·
Passive Voice: Object + is/are/am + being + verb (past participle) + by + subject.
·
Active Voice: Subject + is/are/am + verb (ing) + object.