问题：
[单选题]In English-Chinese translation, one of the situations when Chinese conjunctions are added in the translation is when the relationships between clauses or sentences are ______, and the second situation is when there is just one of the conjunctive pair in English, the other half is often supplemented in Chinese to complete the pair. A.unclear B.implied C.both of the above
Aunclear
Bimplied
Cboth of the above
