D. He thought that Icarus would be too bold and reckless.
Explanation:
When Daedalus made the wings for the both of them, he warned Icarus to not fly too high, for the sun will melt the wax off, or too low, for the fog/spray would clog the wings. By warning his son, Daedalus is implying that Icarus tends to be reckless and as a result, faces consequences.
