207. Ken took his ______ obligations seriously, patiently caring for his mother throughout her long recuperation.
A. filial
B. symbiotic
C. avuncular
D. convivial
E. funerary
208. The sound produced by the youth orchestra was so ______ that even its least experienced members were abashed.
A. cacophonous
B. syncopated
C. harmonic
D. collaborative
E. mellifluous