--- _______ that he picked up French?
--- It was in 2010 _______ he traveled in France.
A. Was it when; that B. When was it; that
C. Was it when; when D. When was it; when
--- _______ that he picked up French?
--- It was in 2010 _______ he traveled in France.
A. Was it when; that B. When was it; that
C. Was it when; when D. When was it; when
D