Theories of Development May Seem Contradictory When Taken Together

Multiple Choice

Theories of development may seem contradictory when taken together,:

A) so there is little value in comparisons and most scientists focus on one major explanation.
B) but the ultimate evaluation of each is whether they explain most behavior completely.
C) and therefore each must be accepted only relative to the others' assumptions.
D) but each may be useful as they focus on different perspectives.