No one can be licensed as an electrician in Parker County without first completing a certain course in electrical safety procedures. All students majoring in computer technology at Parker County Technical College must complete that course before graduating. Therefore, any of the college’s graduates in computer technology can be licensed as an electrician in Parker County.
The reasoning in the argument above is open to question because the argument has not established that
A．everyone who has completed the course in electrical safety procedures is equally knowledgeable about such procedures.
B．all students majoring in computer technology who complete the course in electrical safety procedures at Parker County Technical College eventually graduate.
C．completion of a course in electrical safety procedures is all that is necessary for a person to be licensed as an electrician in Parker County.
D．the only way for a person to become knowledgeable about electrical safety procedures is to take a course in those procedures.
E．(E) the only students at Parker County Technical College who are eligible to take the course in electrical safety procedures are students majoring in computer technology.