43.As we sat on the grassland _______ the sunshine,John began to tell me his advent...附上原因

43.As we sat on the grassland _______ the sunshine,John began to tell me his advent...附上原因
43.As we sat on the grassland _______ the sunshine,John began to tell me his adventure in Africa.
A.taking up
B.bringing up
C.soaking up
D.setting up