单选题 Becoming aware of our mother's age, not just in numbers of years but ______ her psychological and physical state, often helps us to understand her better.

A. in spite of
B. on account of
C. in terms of
D. by means of

【正确答案】 C

【答案解析】[解析] in spite of意思为“尽管”，on account of意思为“由于”；in terms of意思为“就……来说，在……方面”；by means of意思为“通过，以……的方式”。正确理解整个句子时，只有C项最适合本句的意思。