Take child to pick out a hundred and end up confusing them (6)
I believe the answer is:
kidnap
'take' is the definition.
(I know that kidnap is a more specific form of the action seize)
'child to pick out a hundred and end up confusing them' is the wordplay.
I cannot really see how this works, but
'child' could be 'kid' (synonyms) and 'kid' is present in the answer.
'a' is within the answer.
'and' could be 'n' (common abbreviation for 'and') and 'n' is located in the answer.
A single letter 'p' remains which might be clued in a way I don't understand.
This may be the basis of the clue (or it may be nonsense).
Can you help me to learn more?
(Other definitions for kidnap that I've seen before include "Take as hostage" , "Small island" , "Seize and hold for ransom" , "'Abduct, snatch (6)'" , "Take person prisoner for ransom" .)