If the whole framework of the thesis had been designed beforehand, ______(就会节省很多时间和精力).

A. thinks to most people it is not necessary to buy insurance
B. thinks we are supposed to buy certain insurance in our life
C. is a public adjuster who charges higher claims payments from insurers
D. is an excellent seller in insurance

A. the application of scientific knowledge to the skills of industry
B. the application of science and industry to daily life
C. science and industry as the basis of progress
D. the use of science and industrial techniques in gaining control of the universe