The principle underlying which of the following is most analogous to "William's more moderate rule" (paragraph 3) Select one: a. The proficiency of an expert musician may reflect intelligence different in form from, but nonetheless equal in degree to, that of an accomplished painter or a pioneering physicist b. If a worker were certain that he could never earn more than $50,000 per year, this in itself would not be a reason for him to refrain from trying to improve his lot at $20,000 per year c. Hazardous road conditions constitute sufficient reason for a motorist to cancel her travel plans, even if the motorist is extremely reluctant to do so d. A student's estimation of her work is more important than either the grade awarded the work by the student's instructor or the opinion of the work expressed by the student's