The correct answer is - When studying mythology, I learned about several gods and goddesses: Zeus, Apollo, Aphrodite, Hermes, and Hercules.
This is the only sentence which is punctuated correctly because the first part (before the list) ends abruptly; it is obvious that something needs to be placed there. In this case, that is a colon.
The other sentences have leading words (particularly, such as, were) that don't require a colon after them.
I believe the answer is B ^^
The last two lines of this play reveal that the women in it had agreed to keep the dead bird, the evidence the attorney needed to convict Mrs. Wright of Mr. Wright's murder, hidden. Therefore, this question can best be answered by option C.