Economist: A country' s trade deficit may indicate weakness in its economy, but it does not in itself weaken that economy. So restricting imports to reduce a trade deficit would be like sticking a thermometer into a glass of cold water in the hope of bringing down a patient' s feverish temperature. The economist's argument employs which one of the following techniques?
A: showing that a recommended course of action would have disastrous consequences
B: demonstrating that an analogy explicitly used to establish a certain conclusion is faulty
C: calling into question the authority on the basis of which a claim is made
D: appealing to an analogy in order to indicate the futility of a course of action
Choose A, B, C or D as your solution.
D