Which of the phrases given below the sentence should replace the phrase printed in bold type to make it grammatically correct? If the sentence is correct as it is, mark 'E' as the answer.

The courts are actively to safeguard the interests and the rights of the poor.

A.

are actively to safeguarding

B.

have been actively safeguarding

C.

have to active in safeguarding

D.

are actively in safeguarding

E.

No correction required

Correct answer is B

No explanation has been provided for this answer.