Wiglaf is presented as a model of loyalty. He understands what the anglo-saxon code is like and believes in Beowulf without any doubt. He is brave and willing to help Beowulf and criticizes the other warriors for not behaving the same. This is why he is later appointed as Beowulf's heir.
A. Doesn't Grow
Rice doesn't grow in cold climates.
B and C would not make sense in the sentence above.
A because C is sequence because of the transition words (first and then). F is problem and solution because the problem is that u need money then it gives u a solution to how to get it. Then B is description because it tells u information about being a car owner, so it only answer left is A