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Deep at night, they could still hear gun-fire（ ）in the distance .
A、rumbling
B、rambling
C、sampling
D、marbling
【正确答案】：A
【题目解析】：本题考查词义辨析。rumbling：发出低沉的声音，发出隆隆声；rambling：漫游，漫步，闲逛；sampling：尝试，体验，取样；marbling：使…显得斑驳。句意：深夜，他们还能听到远处枪声隆隆。故A选项符合题意。