Research on the Use of a Talking Photo Album as a Strategy

Research on the use of a Talking Photo Album as a strategy to enable parents of English language learners to provide tutoring in vocabulary concluded that

A) the strategy was too complicated for parents to use
B) the children were easily bored with the strategy and did not use it
C) the strategy was more effective for teaching concrete rather than abstract words
D) the strategy was effective for teaching new vocabulary to parents and children