Step 1: Understand the meaning of "specious."
A "specious" argument appears to be true or logical, but is actually wrong or deceptive.
Step 2: Eliminate choices that do not match.
(1) Genuine: opposite in meaning.
(3) Clear: irrelevant to the idea of truth or deception.
(4) Obvious: similar to clear, doesn't imply deception.
Only (2) "Misleading" fits well.