. that no one wants to it.
A. Such challenging is the task; take to
B. So challenging is the task; take on
C. How challenging is the task; take up
D. The task is such challenging; take in
网友回答
A. Such challenging is the task; take to
(答案→)B. So challenging is the task; take on
C. How challenging is the task; take up
D. The task is such challenging; take in
解析：可联系答.案.网客服索取。