"Suppose we ride over and take a look at the spot." He smiled at her little shudder of repugnance. "We haven't any Sherlock Holmes in this country, and maybe we need one. I'll have a try at it. Come on!"
In response to the pressure of his knees, the trained cow. pony whirled toward the Jack-pines, and Dorothy followed, laughing at the idea
that so ingenuous a man as Lem Trowbridge might possess the analytical gift of the trained detective
"You" she said mockingly, when she had caught up with him. "You're as transparent as glass; not that it isn't nice to be that way, but still you
are. Besides, the rain we've had must have washed all tracks away."
"No doubt, but we'll have a look anyhow. It won't do any harm. Seriously, though, ſhe ways of criminals have always Interested me. I'd rather
read a good detective story than any other sort of yarn."
(from Hidden Gold by Wilder Anthony)
Which does "ingenuous" most likely mean in this passage?
O 1. cunning and manipulative
O 2. straightforward and simple
O 3. sophisticated and worldly
O 4. dependable and trustworthy