Which statement correctly compares seismic p-waves with seismic s-waves ?

a. p-waves travel faster than s-waves and do not pass through earth's liquid zones.
b. p-waves travel slower than s-waves and dont not pass through earth's liquid zones.
c. p-waves travel slower than s-waves and pass through earths liquid zones .
d. p-waves travel faster than s-waves and pass through earth's liquid zones .