Read the following context and choose the best option to answer the question.
Context: The world probably knew him best as the first person , together with Sherpa Tensing Norgay , to conquer Chomolungma ( Mount Everest ) , the highest mountain on Earth - part of the Himalaya range between Nepal and Tibet . On May 29th , 1953 I continued on , cutting steadily and surmounting bump after bump and cornice after cornice looking eagerly for the summit . It seemed impossible to pick it and time was running out .
Question: Why does the narrator feel time crunched ?
Options: 
A. The clock is almost up .
B. The safety of the situation is breaking down .
C. None of the above choices .
D. Their project is due .


B