How should the following sentence be changed? The street performer made hardly enough to survive, so he slept watchful in his car.
a) Change hardly to hard
b) Add sufficient after enough
c) Change watchful to watchfully
d) No change needs to be made to this sentence
Please hurry

Which is best evidence that mary is beginning to change

Read the passage: canines may not be the deepest thinkers in the world. but perhaps that's for the best. the life of a dog—sitting alone all day, waiting for everyone to come home—can be pretty boring. super-smart animals would probably get totally stressed out, says university of pennsylvania researcher james serpell. look at it this way: if dogs were any smarter, they probably wouldn't choose to hang around with us. which best describes the tone of the passage?

Write one paragraph that evaluates the effectiveness of jack zipes’s essay.