(46~47)         Two frogs lived together in a pond, but one hot summer the pond dried up, and they left it to look for another place tolive, for frogs like wet places if they can find them.
         After a while they came to a deep well, and one of them looked down into it and said to the other, “This looks like anice cool place； let’s jump in and live here.”
        But the other one, who was wiser, replied, “Not so fast, my friend. Supposing this well dried up like the pond, howshould we get out again?”
46. What does the word “supposing” mean in the last sentence?
(A) What
(B) Although
(C) However
(D) If