Which body part or system does the virus enter before spreading to the rest of the body?
a)bloodstream
b)spinal fluid
c)cell
d)intestinal tract

The body part where the virus enters first before spreading to the rest of the body is through the D. Intestinal Tract. Virus and bacteria are commonly ingested because thousands of bacteria or virus are present in our food. When these enters the intestinal tract where digestion and absorption occurs, some virus will travel to the blood stream and this is when they start to spread.

The part, "Canceled plans disappoint like a milk spill," is a simile.

Explanation:

Similes compare two objects/things using "like" or "as."