What Was the MOST Surprising Result That the Galileo Probe

Multiple Choice

What was the MOST surprising result that the Galileo probe found when it penetrated the atmosphere of Jupiter?

A) a hard surface just under the cloud layers, contrary to our understanding of Jupiter's atmospheric structure
B) no evidence at all of hydrogen in the atmosphere of Jupiter
C) vast quantities of invisible water vapor above the cloud layers
D) only traces of water vapor and many other chemical elements in the cloud layers that are very easily measured spectroscopically from Earth