16 How a child prodigy comes by his/her preternatural ability is not something that has made much sense to scientists.
(A) Scientists do not think it makes much sense that a child prodigy is born with his/her special gift.
(B) Scientists do not know much about how a child prodigy first acquires his/her special gift.
(C) Scientists try to make sense of the fact that a child prodigy is born with his/her special gift.
(D) Scientists try to figure out how a child prodigy first acquires his/her special gift.