Turning around，I saw a little boy standing behind the tree，_
| Turning around，I saw a little boy standing behind the tree，________ at me curiously. |
| [ ] |
| A．stared B．to stare C．staring D．having stared |
可能相似的问题
你能帮帮他们吗
| Turning around，I saw a little boy standing behind the tree，________ at me curiously. |
| [ ] |
| A．stared B．to stare C．staring D．having stared |
你能帮帮他们吗