Glover and her colleagues tested their hypothesis in the lab. In their experiment, they found that bees felt confused sometimes when the petals were very iridescent and that bees had no problem finding the flowers with more nectar when the petals were not very iridescent. The team shared its new findings in the March 21 Current Biology.

What does the underlined word “hypothesis” in Paragraph 4 probably mean?

A．Discussion.	B．Method.
C．Assumption.	D．Invention