The correct answer is (B) To wail; to lament loudly and shrilly; to utter shrill howling wordless lamentations. Also, to howl, as a dog or a wolf; to hoot as an owl.

Ululate comes from Latin ululare (to howl, shriek).

Examples of use:

• Inhabitants of many Middle Eastern cultures ululate to express their grief.
• The many voices that were ululating alerted him to the tragedy.