Before vernalization, FLC expression is:
C fits best: High. Keep the VERNALIZATION & FLOWERING basics straight and High stands out as the precise answer. Avoid: A) Low; B) Absent; D) Oscillatory. Light and flowering items often hinge on which photoreceptor or day-length rule is in play.
Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.