Read the extract given below and answer the questions that follow:
I saw my mother beside me
doze, open mouthed, her face ashen like that
of a corpse and realised with pain
that she was as old as she looked but soon
put that thought away, and looked out at Young
Trees sprinting, the merry children spilling out of their homes.
What do the expressions 'doze' 'open mouthed' describe about the poet's mother?

Options

A. She is sleeping and relaxing.
B. She is aged and exhausted.
C. She is tired of travelling.
D. She is not in a mood to talk to her daughter.