I think i see what he means the answer is B.
but correct me if i'm wrong.
The answer in the spaces provided is venture and calamity. The answer is venture because sky-diving is considered to be a an activity that seems to be adventurous and dangerous in which venture means while it also results into calamity because it causes distress in which she has injured herself.
I think at Approximately 7 years the child should be able to use each hand independently. Hand control is the ability by a child to accurately use and manipulate objects, utensils, tools and even finger in isolation for functional tsak performance.