Answer:
The sentence in the passive voice is:
A. Educational Curriculum to be Reviewed Soon
Explanation:]
The passive voice is a grammatical construction where the subject of the sentence is the receiver of the action, rather than the doer of the action. The most commonly used form of the passive voice includes a form of the verb "to be" (e.g. is, was, are, were) followed by the past participle of a verb.
Out of the given options, only option A is in the passive voice: "Educational Curriculum to be Reviewed Soon." The verb "to be reviewed" is in the passive voice, with "educational curriculum" as the subject that is being acted upon. The other options are in the active voice, where the subject is performing the action of the verb.