Sad Clown Pajamas Is an Internet-Based Wholesaler

Multiple Choice

Sad Clown Pajamas is an Internet-based wholesaler.Customers enter their orders online.The manager of Callow Youth Clothing was entering and order when the following error message popped up: Please enter your email address.This message is the result of a

A) validity check.
B) reasonableness test.
C) limit check.
D) completeness test.