問題詳情

【題組】57. The research of the four scientists was based on ______.　　
(A) the lava that caused explosions　　
(B) the presence of the lava from the surface　　
(C) the damages caused by the 1990 explosion　　
(D) the lava from different explosions in the area

參考答案

答案：D
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)