Identify the correct group of stimulating constituents present in tea :
ATheobromine, triphylline, catechol
BCaffein, tricantenol, trimethylamine
CTheonitrile, caffeicol, theophylline
DCaffeine, theobromine, theophylline
ATheobromine, triphylline, catechol
BCaffein, tricantenol, trimethylamine
CTheonitrile, caffeicol, theophylline
DCaffeine, theobromine, theophylline
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