No matter how broad-minded or full of goodwill you may be，a series of props have been knocked from under you, followed by a feeling of frustration and anxiety.
A... you will be overwhelmed by negative feelings. B... you will experience a series of mental and physical attacks. C... you will feel upset from losing familiar signs to guide yourself. D... you will feel depressed because you are cut off from the outside world.正确答案C
