A—proof of death I—copyright lawB—bodily harm J—sum of claimC—key witness K—house arrestD—right of author L—permanent populationE—reject an appeal M—limitation in lawF—attainder N—black marketG—letter of accusation O—process of lawH—release certificateExamples：(D)著作权 (N)非法交易市场 ( )释放证书 ( )驳回上诉

A．They had to stand under the pressure three times the force of gravity.
B．Ten days later in the test, they had to spend other twenty days in bed.
C．During the whole test, they suffered backaches and other discomforts.
D．Some of the women suffered great loss of calcium.