Which two options describe how a wildcard can be used when searching for services?
A. The wildcard (the * symbol) is used alone.
B. The wildcard (the * symbol) is used before and after service with no spaces (for example, *service*).
C. The wildcard (the * symbol) is used before and after service with spaces (for example, * service *).
D. The wildcard (the * symbol) is used before service with a space after the * (for example * service).