he kept to himself - what does it mean?

[franky]

English Idioms and Expressions, Elementary Level

ESL/EFL Test #12 "Just keep it", question 7

It's surprising how few people knew that Charlie was having money problems but I suppose it was because he had kept it to himself.

(a) looked after it
(b) locked it up
(c) held it tightly
(d) kept it secret

English Idioms and Expressions, Elementary Level

ESL/EFL Test #12 "Just keep it", answer 7

It's surprising how few people knew that Charlie was having money problems but I suppose it was because he had kept it secret.

Correct answer: (d) kept it secret
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Charlie never tell to another people , he try to help himself first, yes?

franky

[Alan]

Hi,

He hadn't told anybody about his problems.

Alan
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English as a Second Language
You can read my ESL story The Name of the Game