Answer: I think the answer is maintaining
Explanation: This seems past tense so he ing prefix ing seems right
In "A Raisin in the Sun" shows Mama's dream someday of having her own little garden at the back of her own house. Though she's close at quitting and giving up her dream, nurturing her plants simply implies that she's not giving up her dream, herself and of course, her children as well.
Okay fyi.. i didnt use google translate.. soo..