Lashing at others is not a healthy way to deal with stress. On the contraty, it could create problems with people, thus producing more stress.
More healthy ways to cope with stress are trying relaxing techniques, such as yoga or breathing exercises, getting more sleep, and talking to loved ones about the sources of stress.
Surely it's D) Simile. It is a figure of speech that is used too compare two states or smth else. You can identify it by the words "like" and "as". The phrase means that there's a lot of dirt around us and it is a common thing to see that.
B. Cassius and Brutus were arguing about something and created tension between the two. Later on, miscommunication and undefined leadership led to a mistake. All of this would lead to a struggle when facing Antony's army.
