What is the central idea of this excerpt

What are the adjectives in this sentence? our ancient car has became very unreliable recently,so we are trying to find a cheap replacement .

Which of these sentences exhibits proper usage? a. many doctors affiliated with university hospital expressed concern about the policy (moore 5). b. many doctors affiliated with university hospital expressed concern about the policy (moore 5). c. many doctors affiliated with university hospital expressed concern about the policy (moore 5). d. many doctors affiliated with university hospital expressed concern about the policy (moore 5).

What is the purpose of kings nobel peace prize acceptance speech