【正确答案】 D

【答案解析】[解析] 考查语言学。 Syntax is the study of the rules whereby words or other elements of sentence structure are combined to form grammatical sentences. 句法学(Syntax)：研究词或其他句子成分如何联合起来形成合平语法的句子的规则的学科。
Pragmatics is the study of language as it is used in a social context and affects the interlocutors and their behavior. 语用学(Pragmatics)：有关语言使用于社会环境和语言对使用者及其行为的影响的研究。
Phonetics is the branch of linguistics that deals with the sounds of speech and their production, combination, description, and representation by written symbols. 语音学(Phonetics)：语言学的分支，研究声音及其产生、结合、描述和用可写符号的表示方法。
Anthropology is the scientific study of the origin, the behavior, and the physical, social, and cultural development of human beings. 人类学(Anthropology)：关于人类起源、行为及其身体、社会和文化发展的科学研究。(语言学与人类学息息相关，但人类学并不包含在语言学内。)