Loss of LFY gene results in:
That points to B: Conversion of flowers to inflorescences. Compared with the other options, Conversion of flowers to inflorescences is the one that correctly describes the ABCE & ABCDE MODEL +Synapdrgon flowering concept. The wrong ones are A) Extra petals; C) Only carpels; D) Early flowering. If you’re stuck, eliminate anything that contradicts a basic fact you already know for this topic.
Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.