Which organs perform both mechanical digestion and chemical digestion of food
Read the excerpt from "The Oblong Box."
Now this shape was PECULIAR; and no sooner had I seen it, than I took credit to myself for the accuracy of my guessing. I had reached the conclusion, it will be remembered, that the extra baggage of my friend, the artist, would prove to be pictures, or at least a picture; for I knew he had been for several weeks in conference with Nicolino:—and now here was a box, which, from its shape, COULD possibly contain nothing in the world but a copy of Leonardo's "Last Supper;".... This point, therefore, I considered as sufficiently settled. I chuckled excessively when I thought of my acumen. (paragraph 1)
What is the meaning of the word acumen as it is used in the text?
A.
the ability to think clearly
B.
the inability to make decisions
C.
the inability to speak clearly
D.
the ability to move quickly