Correct option is B
Option
(b) is the correct order of the given sentence.
• “The plan” works as the subject.
• “was given” forms the passive verb phrase in Simple Past.
• “wholehearted” correctly acts as an adjective describing the kind of “support”.
• “support” completes the meaning as the object/complement of “given”.
Correct sentence formed:
The plan was given wholehearted support.