Linguistics which investigates how the people speak and use language in a given speech community at a given time is called? A) Diachronic linguistics B) Comparative linguistics C) Synchronic linguistics D) All of the them Related MCQs: Convert to Passive Voice “People speak English all over the world”? ……. was introduced at the beginning of the century by Ferdinand de Saussure (1957-1913) as a deliberate reaction to the historically oriented linguistics of the 19th century? Linguistics is the combination of ……. words? The study of hearing and the perception of Speech sounds is called?