In this task, you are given a context and four options. Each option is a suggested ending for the context. You should read the context and pick the best ending for the context. Please answer with "A", "B", "C", and "D". 

[header] How to recognize symptoms of sickle cell disease (scd ) [title] Get tested. [step] Sickle cell disease can be detected with a simple blood test, so if you think you may have the disease, see a doctor to get tested right away. In the united states, all newborns are required to be screened for sickle cell disease. <sep> (A) [substeps] The screening process is lengthy and requires some paperwork so a doctor can make sure they're perfect. In order to receive diagnosis or treatment, the doctor must first perform a screening test. (B) The more advanced the developing disease, the more likely it is that you may have sickle cell disease. It is a serious disease that causes weight gain, and may affect when you are pregnant. (C) The centers for disease control and prevention (cdc) website has more information on the disease than it does on its own. [title] Be aware of your potential risk factors. (D) This is because early treatment is very beneficial to patients. [substeps] It is also possible to do prenatal screening for sickle cell disease by testing fetal tissues that are collected by chorionic villus sampling or amniocentesis.
D

A manager explains the players how to play jai-alai while a group of boys observe the training. then <sep> (A) , two teams play polo match with women that talk to the camera. (B) , the girls stand together and play on the field in different manner, while players stand on the sides of the field. (C) , the coach continuously shows the players how to use the position. (D) , the players take turns to hit balls, and the manager shows to hit the ball.
D

The woman uses a single pick comb to separate strands of hair. The woman clips back sections of hair. the woman <sep> (A) blowers her hand through her hair. (B) shows off her braided hair. (C) then paints a large stripe across the split ends of hair. (D) pulls on strands of hairs to get them straightened out.

D