A four-year-old child who previously said "I went to school" and "She came home" now starts producing utterances like "I goed to school" and "She comed home." According to research on first language acquisition, this phenomenon is best explained by which of the following?
AThe child is experiencing language attrition due to insufficient input from caregivers.
BThe child is overgeneralizing a grammatical rule, which reflects U-shaped learning.正確答案
CThe child is engaging in code-switching between two grammatical systems.
DThe child is producing telegraphic speech typical of the two-word stage.
答案與詳解
