When the Participants in the Study on Experimental Starvation Were

Multiple Choice

When the participants in the study on experimental starvation were re-fed at the end of the starvation phase of the experiment, ​

A) ​many of them gained more weight than they had lost.
B) ​most of them were not able to regain lost weight.
C) ​they became more cheerful and optimistic than they had been prior to the starvation phase.
D) ​they no longer had much interest in food.