單格填空第 28 題
The epidemiologist was worried: despite ______ signs of danger, few countries or companies had taken the possibility of a pandemic seriously, and there was little interest in developing a vaccine.
| Blank |
|---|
| (A) erroneous |
| (B) mounting |
| (C) token |
| (D) inconclusive |
| (E) residual |
出處：PP2, Practice Test 2, V2, #1
難度：Easy