This was anyone had previously sailed alone.
A. twice the distance
B. more than twice
C. as twice as distant
D. twice what
网友回答
(答案→)A. twice the distance
B. more than twice
C. as twice as distant
D. twice what
解析：此题考察倍数的表达法: 倍数+the+名词;倍数+as+形容词或副词+as；倍数+形容词或副词的比较级+than 所以答案为A。