The author’s attitude toward noise would best be described as （）.

A. the methods used for blood-cell calculation are not accurate
B. two different individuals of the same ethnic group may have the same DNA fingerprinting pattern
C. a match is by chance left with fingerprints that happen to belong to two different individuals
D. two different individuals leave two DNA samples

A. Their food consumption decrease.
B. Their children are being withdrawn from school.
C. The lost their jobs.
D. They have no interest in consumption.