The poem referred to in the given lines belongs to the poem “My Mother at Sixty-Six” written by Kamala Das.
Step 1: Identify the theme.
The poem deals with the poet’s feelings about her ageing mother and the fear of losing her. It reflects emotions of love, pain, and separation.
Step 2: Analyze the options.
(A) My Mother at Sixty-Six: This poem focuses on the poet’s concern for her ageing mother, making it the correct answer.
(B) A Thing of Beauty: This poem by John Keats talks about the everlasting beauty of nature.
(C) Keeping Quiet: This poem by Pablo Neruda emphasizes silence and introspection.
(D) Aunt Jennifer's Tigers: This poem by Adrienne Rich highlights the oppression of women through symbolic imagery.
Step 3: Conclusion.
Since the theme of the given lines relates to the ageing mother and emotional attachment, the correct answer is (A).
Final Answer:
\[
\boxed{(A) \, \text{My Mother at Sixty-Six}}
\]