【C2】A．thereforeB．thoughC．howeverD．but

【C2】A．As a resultB．For instanceC．HoweverD．Nevertheless

【C13】A．thatB．thoughC．becauseD．but

【C6】A．thereforeB．subsequentlyC．howeverD．furthermore

【C4】A．thereforeB．consequentlyC．howeverD．moreover

【C2】A．EvenB．ThusC．HoweverD．But

【C2】A．thereforeB．ifC．despiteD．although