In which fetal presentation vaginal delivery can be expected:: (A) Face presentation when the chin lies direct to the sacrum, (B) Brow presentation, (C) Shoulder presentation, (D) Face presentation when the chin lies under the symphysis pubis
Answer is D. Vaginal delivery is not possible in:

Brow presentation
Shoulder presentation (transverse lie)
Mentoposterior presentation of face (i.e. when chin lies directed to sacrum)

In mentoanterior, i.e when chin lies under the symphysis pubis – vaginal delivery is possible.