1.To crouch or sit with bent knees- The cook squatted in the bottom...
2.To have a calming effect- "Oh, well," said the captain, soothing...
3.To get up or raise oneself- The captain, rearing cautiously...
4.To search or peer at thoroughly to locate something- But at last there came...
I believe that it is A, but you should do a little extra research on it.
I'm pretty sure that the phrase "If we don't run late" refers to adverb <span>subordinate clause.</span>