Choose the connective that belongs in the blank in the following sentence.
i like to play baseball. i can't throw a ball very well.
a. however
b. for instance
c. besides
d. in fact

The question requires you to connect the two sentences by making them opposite to each other. This means that the answer is A. however, since the point is to point out that although you like to do it, you're bad at it, you would use however for this. The other mentioned ones would make sentences that don't make much sense in the given context.

To kill bacteria from our body especially from stomach