MY YOUNGER BROTHER/ LEARNT/ USE/ COMPUTER/ SINCE/ HE/ 8 YEARS OLD/...

85. my younger brother/ learnt/ use/ computer/ since/ he/ 8 years old/.

A. My younger brother learnt to use the computer since he was 8 years old.

B. My younger brother had learnt to use the computer since he was 8 years old.

C. My younger brother has learnt to use the computer since he was 8 years old.

D. My younger brother is learnt to use the computer since he was 8 years old.

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