The（ ）of a full stop at the end of the sentence is a deliberate act by the writer.
A、exclusion
B、supposition
C、expression
D、omission
【正确答案】：D
【题目解析】：本题考查词义辨析。exclusion：排斥，排除在外；supposition：推测，推断；expression：表达，表情；omission：省略，免除，遗漏，疏忽。句意：不在句末加句号是作者的故意行为。故D选项符合题意。
