Pick out the correct statement about catalytic polymerisation ?

Petroleum Refinery Engineering 24/10/2020

A. H2SO4 polymerisation process gives gasoline rich in unsaturates
B. In H2SO4 polymerisation, H3PO4 is always used with 2% steam to prevent meta & ortho
H3PO4 formation, which are inactive
C. Both A. and B.
D. Neither A. nor B.

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