Sentence Correction (SC) | QOTD: In her later poems, Phyllis Wheatley's

GMATNinja I have 1 doubt in this question. Three things are suggesting something about a person's something, then how can we use a singular "suggests"; shouldn't "suggests" be replaced with "suggest" in all the options?

In her later poems, Phyllis Wheatley's blending of solar imagery, Judeo-Christian thought and figures, andthe images she borrowed from ancient classicism suggesting her range and depth of influences, not the least of which is her Africanheritage.

"social imagery", "thought and figures" and "images" should be parallel