Sam and Dave were playing a game. Sam had thought of a football star and Dave was trying to _________ (1)who he was . He turned to his mother, but she __________ (2) that she knew absolutely nothing about football. He would have to try to track the answer down himself and watch out for any clues that Sam might deliberately give. After ten minutes, Dave still hadn't ________ (3), so he gave up and Sam told him the answer: Lonaldo.
find out / pointed out/ latched on
find out/ latched on/ pointed out
pointed out/ find out/ latched on
latched on / pointed out/ find out