I can’t see any reason to use cash anymore it’s so much easier to use other means of payme

I can’t see any reason to use cash anymore it’s so much easier to use other means of payment.
A. while
B. therefore
C. although
D. since

A. whileB. thereforeC. although(答案→)D. since解析：连词词义辨析。A当…时；尽管；然而；B因此；C尽管；D既然；句意：既然使用其他形式的付款方式要容易得多，我看不出有任何理由使用现金。根据句意说明上下文存在着转折的关系，故使用since来理解上下文。故D正确。

正好我需要