To determine which phrase helps readers understand the meaning of "whimpering," we should consider the context of the word within the paragraph. Generally, "whimpering" refers to making a series of low, feeble sounds, often associated with fear, pain, or distress.
Among the options provided:
A "dropped me" - This could indicate a negative action but does not directly relate to whimpering.
B "silence filled" - This indicates a lack of sound, which does not relate specifically to whimpering.
C "caught stealing" - This phrase suggests a situation involving guilt or fear, but it does not directly define whimpering.
D "trembling inside" - This phrase conveys a sense of fear or anxiety, which aligns closely with the act of whimpering.
Based on the above analysis, the best choice is D "trembling inside," as it provides context that suggests a state of fear or distress, which complements the meaning of "whimpering."