“A hot dog” is by no means a dog that is hot, but a typical American sausage in between two pieces of bread. This example illustrates the（ ） features of compounds.
A、phonetic
B、semantic
C、linguistic
D、grammatical
【正确答案】：B
【题目解析】：复合词的语义特点表现为其语义统一性与自由词组存在差异。