Final answer:
Based on the reference texts, the line "My little, little child!" is likely spoken A) joyfully, as the texts suggest a loving and caring emotional context.
Step-by-step explanation:
The student is asking about the tone in which the character Bob speaks the line "My little, little child!" By examining the provided textual references and the emotional context typically surrounding characters in similar situations, we can infer the tone. The descriptions in the reference texts indicate a more emotional and potentially loving atmosphere rather than one of anger or desperation.
Considering the loving interaction between Amy and the baby, and the caring nature of Bobinôt with his son Bibi, option A) Joyfully could be a likely choice. The other options, such as B) Tearfully, C) Angrily, and D) Desperately, do not align well with the references provided, which suggest more positive and gentle emotions.