Which words in the sentence are the complete noun clause?

during the car ride, my hope is that i'll sleep.

a.
my hope is

b.
during the car ride

c.
that i'll sleep

d.
is that

my answer is c but i'm not to sure about it, : )

the sun warms our planet, and with the moon, creates the tides. the moon orbits the earth and in turn, the earth orbits the sun. because they appear to be the same size in the sky, the sun, earth and moon work together to create eclipses. when the moon is directly in between the earth and sun

i hope this !

because he wants to address citizens immediate concerns