With 50 posts of your own, you know how the forum works!
How a person starting a thread tries to give the answers they think are correct, and then others can tell you if they think a answer is wrong.
While you are doing that, also check that you have typed this question correctly:
4) joan is ............. warm-hearted girl she is willing to help others in our class
a. so b. too c. very d. even