Read the following context and choose the best option to answer the question.
Context: But we ca n't take the chance that they did . " The medic gave a sigh before continuing . He did n't want to go out , but Optimus was terrible about taking care of himself when he was in what Sari called " Leader Mode " . " Why do n't I take Prowl and see if we can find him ?
Question: Why is Optimus not taking care of themselves ?
Options: 
A. They are lazy .
B. They are working very hard .
C. None of the above choices .
D. They are forgetful .


B