What is the meaning of the quotation from Sir Walter Scott “What a tangled web we weave, when first we practice to deceive”?

A. Telling lies is the first step for a person to form a deceiving personality.
B. After we lie the first time, we need to tell more lies to cover up the first one.
C. If you tell lies, people around you will tell lies, too, so a web will be formed.
D. Once you start to tell lies, your character will gradually become complicated.