there was no conclusive evidence most people thought he was guilty.A. WhenB. As far asC.

问题补充：

there was no conclusive evidence, most people thought he was guilty.

A. When

B. As far as

C. As long as

D. While

答案：

A. When

B. As far as

C. As long as

(答案→)D. While

解析：考查连词。句意：虽然没有决定性的证据，大多数人认为他是犯罪的。 While虽然，尽管。所以选D。