The author's attitude towards the introduction of the computer to teamwork is of one______.

A．Many fields of science and technology are now using electronic computers effectively.
B．High technology is nothing but a new type of teamwork plus CAD and CAM.
C．No details are given in the passage about barriers between traditional design and manufacturing functions.
D．Experts from different fields have to cooperate to develop a product from concept to production.

A．The study of languages has shaken people's belief in anthropological studies.
B．The study of languages has reinforced anthropologists in their view that there is nohierarchy among cultures.
C．The study of languages is the same as the study of anthropology.
D．The study of languages relieves the pressure upon the claim of anthropologists.