A scientific report has found that snow and ice on Africa’s highest mountain Kilimanjaro rapidly and could vanish within 20 years.
A. has been melted
B. will melt
C. is melting
D. was being melted
网友回答
A. has been melted
B. will melt
(答案→)C. is melting
D. was being melted
解析：句意：一份科学报告表明：非洲最高的山脉乞力马扎罗山上的积雪和冰层正在快速融化，并可能在未来20年内彻底消失。表示现在正在进行的动作，故用现在进行时。