C I'm 99% positive it is the answer (curse this 20 characters or less.)
Okay, so somber basically means, "having or conveying a feeling of deep seriousness and sadness". So I believe that (D) "He found the mother and the children seated around the fire". The line just seems omniscient because it implies that the family is gathered to discuss something important, which may not necessarily be pleasant.
b. she can sing every song from the musical "Greece."
Doctors are better than farmers because doctors heal humans while farmers just produce food when is curing one is producing