John misses the early bus for oversleeping ______ the delay.A．hence to causeB．so to cause

John misses the early bus for oversleeping, ______ the delay.

A．hence to cause

B．so to cause

C．so as caused

D．thus causing

正确答案：D
解析：thus指代前面一句话，与分词causing组成独立主格结构，作结果状语。