In sentence 3 (reproduced below), the writer wants to ensure that the connotation of the underlined word is appropriate to the context of the sentence. Adolescents have unique sleep patterns, and with an early school start, many are doggedly tired, leading to serious health and safety risks. Which of the following versions of the underlined word would best accomplish this goal?.

D; Chronically

Explanation: (From AP Classroom) The word “chronically” is used to describe states that are repeated and long-lasting, and it is often used in medical contexts. This choice therefore has the most appropriate denotative and connotative meaning in a discussion of health and safety risks.

i think that the correct answer is

c. p equals 5,000 times, 0.3, to the power of the fraction m over 20