[A] provided [B] since [C] whereas [D] though

【C18】A．WhileB．OnceC．SinceD．Though

Though Japan is a small country, it provides the world market with （various) products

Hunting was originally a means of providing food, but it has now become a sport. Though in

___________A] when [B] since [C] for [D] whereas

___________[A] when [B] once [C] while [D] whereas

A. If B. Since C. Though D. When