Robert Smythson was the famous first Renaissance professional architect of England.
There was continuity in the growth of the profession of Robert Smythson. He was a stonemason by the expertise in exchanges of goods and services.
By the year 1560s, he was a master mason, managing his own team of masons across the city of England.
He is recommended to have a considerable effect on the design of the building. He travelled from London to Wiltshire in 1568 to begin work on Sir John Thynne's new mansion at Longleat.
Furthermore, he worked there for about eighteen years, carving much of the external decoration himself.
Therefore, the correct option is B.
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