Final answer:
Most computer tax services allow the use of connectors and wild cards to refine searches and obtain more targeted results.
Step-by-step explanation:
The correct statement regarding computerized tax research is b. Most computer tax services allow the use of connectors and wild cards.
Computer tax services often provide advanced search capabilities, such as the use of connectors (e.g., AND, OR) and wild cards (e.g., * and ?) to help refine searches and retrieve relevant information. These features allow researchers to construct more precise queries and obtain more targeted search results.