下列各句中，加点词的活用现象不同其他三项的一项是（ ）

The Xuanwu Lake looks very beautiful many trees around it.

Luis is____a lot of stress right now because he has been addicted____drugs

People believe thatmutual understanding _______ a happy marriage.

The wide spread of super hybrid rice aroundthe world ______ the lives of millions and millions of people suffering fromhunger to a great level