It can be inferred that the author's attitude is ______.

A．A scientist in a laboratory developing plans for a space station.
B．A technical writer sending via computer documents created at home.
C．A computer technician repairing an office computer network.
D．A teacher directing computer assisted learning in a private school.

A．Business management strategies.
B．The use of computer.
C．The life style of telecommuters.
D．Extending the workplace by means of computers.