Where did James Smart's son, John Walker Smart, work after being articled to his father in 1888?

A. Peddie & Kinnear in Edinburgh, then McLuckie & Walker in Stirling, and finally Thomas Martin Cappon in Dundee
B. Peddie & Kinnear in Edinburgh, then Thomas Martin Cappon in Dundee, and finally McLuckie & Walker in Stirling
C. McLuckie & Walker in Stirling and then Thomas Martin Cappon in Dundee
D. Thomas Martin Cappon in Dundee, then McLuckie & Walker in Stirling, and finally Peddie & Kinnear in Edinburgh
Answer: 