Correct option is B
Option
(b) is the correct order of the given sentence.
• “A school child” is the subject.
• “should be” forms the modal passive framework.
• “taught to think” completes the passive verb idea (what should be done).
• “for himself” fits at the end as it completes the meaning of independent thinking.
Correct sentence formed:
A school child should be taught to think for himself.