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{:[(7,1,2),(9,2,1)]:}{:[(3),(4),(5)]:}+2...

`{:[(7,1,2),(9,2,1)]:}{:[(3),(4),(5)]:}+2{:[(4),(2)]:}` is equal to

A

` [{:( 43),( 44) :}]`

B

`[{:( 43),( 45):}]`

C

`[{:( 45),(44):}]`

D

none of these

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The correct Answer is:
A
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