請依下文回答第 8 題至第 11 題：Bottle gourds had already conquered much of the globe before 1492. Yet how they got to the Americasremained unknown. Researchers discovered via DNA analysis their pre-Columbian samples were moreclosely linked to African relatives than to Asian ones. Furthermore, a computer model of Atlantic Oceancurrents confirmed that a bottle gourd traveling from West Africa could make it to North or South Americain nine months. Yet one mystery remains: why wild bottle gourds disappeared in the Americas? Perhapssome animals that might have spread the seeds went extinct, so did wild bottle gourds.
8 Which statement about the bottle gourds is TRUE?
(A)They were ubiquitous.
(B)They traveled from Africa.
(C)They went extinct before 1492.
(D)They went to the Americas with Columbus.