单项选择题

According to the author, in factory, vegetable food______.

A．is easy for chickens to digest
B．is insufficient for the needs of poultry
C．is fully utilized in meat and egg production
D．is inefficiently converted into meat and eggs
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单项选择题
What the last paragraph tells us is the author' s______.
A．detailed analysis of the ways of raising poultry in Bangladesh
B．great appreciation of the development of poultry industry in Bangladesh
C．critical view on the development of the poultry industry in Bangladesh
D．practical suggestion for the improvement of the poultry industry in Bangladesh
单项选择题
In this passage the author argues that______.
A．efficiency must be raised in the poultry industry
B．raising poultry can provide more protein than growing grain
C．factory farming will do more harm than good to developing countries
D．hungry nations may benefit from the development of the poultry industry
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