I am not 100% sure but this is what I think is correct:
5. A.
6. A.
7. A.
8. A.
9. A.
10. B.
The simple predicate is may surprise
I think C is the correct answer, he is a 'skilled risk taker' most of the time. He was fooled only once, in that incident with the frog, but otherwise he always wins everything he competes in.
B. (13) What have they accomplished so far?