单选题

Stephen Schneider, a climatologist at Stanford, notes that unlike greenhouse gases, which ______ rapidly around the globe, the sulfate droplets tend to concentrate over industrialized regions.
A. unify B. fragment C. disperse D. shatter

【正确答案】 C

【答案解析】disperse分散，疏散；unify统一；fragment碎片；shatter碎片。