Meaning of "doing least of all"

[Garbetta]

Test No. incompl/elem-15 "An Easy Question", question 9

All right let me ask you what you like doing least of .........?

(a) everything
(b) all
(c) entire
(d) that

Test No. incompl/elem-15 "An Easy Question", answer 9

All right let me ask you what you like doing least of all?

Correct answer: (b) all
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explanation???

Garbetta

[Alan]

This means the speaker wants to know what you don't like in the smallest amount.
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English as a Second Language
You can read my ESL story Prepositions

[Blazya]

Test No. incompl/elem-15 "An Easy Question", question 9

All right let me ask you what you like doing least of .........?

(a) everything
(b) all
(c) entire
(d) that

Ok excuse me if i don?t write correctly i am new in english, my question is why this quesiton doesnt have the auxiliar do after the wh question what, how can i know when it is used and when not?

[Conchita]

[Blazya]

ok conchita thanks a lot i had already studied that theme and i couldnt remember it but now i won?t forget it. One more thing, do you make sentences in spanish i mean are you able to write in spanish?

[Conchita]

[Saneta]

please tell me why can't it be: least of everything?

[Amalmusica]

what is the difference in meaning of
1)least of all
2)least of everything

thanks in advance!

[Farzana]

I think there is no difference between in them