Given the task definition and input, reply with output. In this task, you will be presented with a question having multiple possible answers in Swahili language. And you should choose a most suitable option out of "A", "B", "C", "D", and "E" based on your commonsense knowledge.

Question: Alikuwa akishindana, lakini alihisi kutostahili, aliomba nini kuboresha utendaji? 
 Options: A steroids B hasira C kukimbilia kwa adrenaline D kuongezeka kwa juhudi E mawazo matupu 

D