I ( )to tell you somehting about my photo.A must B can C nee

題目：

I ( )to tell you somehting about my photo.A must B can C need D may

解答：

答案：C need to do sth 需要做某事.
其他幾個都是情態動詞,後面接動詞原形.
再問： Thank you!
再答： 會採納麼？