单选题 By the end of the Spring and Autumn Period slave society was ______ disintegration.
A. on the ground of B. on the top of C. in the light of D. on the verge of

【正确答案】 D

【答案解析】[解析] 句子的大意为：春秋末期，奴隶社会几乎瓦解。A项on the ground of“以……为理由，因为”；B项on the top of“在……的顶部，在……之上”；C项in the light of“根据，按照，当做”；D项on the verge of“接近于，濒临于”。所以D项符合题意。