单选题Look at this! I＿＿some&nbs

问题补充：

单选题Lookatthis!I＿＿somemagazinesand＿＿thisletter.A.was looking through； foundB.am looking through； findC.looked through； had foundD.had looked through； finding

答案：

A解析Look at this!说明东西已找到。紧接着说是怎样找到的。