Leroy is writing an article for the school paper entitled "health hazards of excessive computer use." which of these opening lines should he use if he wants to convey the most precise meaning? a. according to three recent medical studies, daily computer use of more than 6 consecutive hours can reduce one's visual acuity by as much as 20%. b. a number of studies have made a connection between using the computer too much and not being able to focus the eyes clearly. c. experts recently claimed that excessive use of the computer without a break can really do damage to one's ability to see. d. recent research puts forth the idea that sitting in front of the computer for long periods can have detrimental effects on one's health.