JEE Main 2018 Chemistry question

At 518°C, the rate of decomposition of sample of gaseous acetaldehyde, initially at a pressure of 363 Torr, was 1.00 Torr s when 5% had reacted and 0.5 Torr s when 33% had reacted. The order of the reaction is -

• (A)2Correct
• (B)3
• (C)1
• (D)0