等价句义核心锁定 — 英语词汇题
题目
The professor's lecture, though ostensibly about Renaissance art, was so ______ in structure that listeners struggled to identify the central argument, mistaking digressions for the main thread. (Select TWO answer choices.)
A. discursive
B. concise
C. rambling
D. cogent
E. terse
F. methodical