the concept of increasing complexity of organisms has ____ history among evolutionary biologists, and yet many laypeople would unhesitatingly say that the parttern applies to the history of life on Earth.
a. an illustrious
b. a sordid
c. a curious
d. a contentious
e. a distinguished
f. a fraught
复制一个从kmf来的答案
答案错了是DF。
改编的原文在 Dinosaur Odyssey: Fossil Threads in the Web of Life, 2011版33页: The concept of increasing complexity, or progress, has a contentious history among biologists. Yet when viewed in a limited sense..... there can be little doubt this patter applies to the history of life.
以及 https://www.macmillanthesaurus.com/fraught
fraught有full of problems, difficulties, or confusing things的意思