Answer: All statements are correct. Dreams reveal what is happenning in the unconscious psyche. Unconscious psyche is in movement all the time, i.e. it is changing all the time, it is dynamic. Dreams open the door to all this.
Explanation: dream is considered to be a "royal road" to unconscious (together with other phenomena like fantasies or physical symptoms).
A review of a movie or book is suppose to your opinion about it. Whether you thought is was good or not and why. Also if you would recommend it to anyone or not. Then explain why. So c would be correct. Here is a link to a website that should help you a little bit more.
