—We didn’t find the Blacks _____ ___ the lecture. —No one had told them about _____ ___ a lecture the following day.

—We didn’t find the Blacks _____ ___ the lecture. —No one had told them about _____ ___ a lecture the following day.

Aattending;there being

Bto attend;there to be

Cattended;there be

Dattend;there was