Which of the following is (are) true if f(n)=the number of distinct primes that divide n for n>1

(!)f(10)=f(12)

(!!)If f(n)>1,then f(f(n))<f(n)

(!!!)If f(n) = 3, then n<1000

A)All

B)(!)and (!!)only

C)(!) only

D)(!) and (!!!) only

E)None

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