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

A．DeliberatelyB．ConsequentlyC．FrequentlyD．Apparently

【C2】A．thereforeB．thoughC．howeverD．but

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

【C19】A．ThereforeB．AlthoughC．SimilarlyD．Moreover

【C5】A．ThereforeB．HoweverC．ThenD．Moreover

【C4】A．BesidesB．ThereforeC．HoweverD．Then