Which 1921 publication by Henry Cecil Wyld examined the historical development of standard spoken English and coined the term 'Received Standard'?

• A A History of Modern Colloquial English ✓
• B The Pronunciation of English
• C English Pronouncing Dictionary
• D The Sounds of English

H.C. Wyld's work traced the evolution of colloquial English from the fifteenth century and was an influential early study of what became known as Received Pronunciation.