Analysing the efficacy of each drug according to the meaning of the question, 1. Deer antler has the effect of tonifying the kidney and Yang, benefiting the essence and blood, strengthening the muscles and bones, regulating the Chong Ren and toxins.2. Zihecheng has the effect of warming the kidney and tonifying the essence, nourishing the blood and benefiting the qi.3. Lockyang has the effect of tonifying the kidney and Yang, benefiting the essence and blood, and lubricating the intestines and passes stools.4. Cistanchos has the effect of tonifying the kidney and Yang, benefiting the essence and blood, and lubricating the intestines and passes stools.5. Epimedium has the effect of tonifying kidney yang, strengthening muscles and bones, and dispelling wind-dampness.7. It has the effect of tonifying kidney yang, fixing essence and shrinking urine, warming the spleen to stop diarrhea, and relieving asthma.8. It has the effect of warming the kidney, fixing essence and shrinking urine, warming the spleen to stop diarrhea, and ingesting saliva.9. The two drugs that can tonify the kidney and yang, benefit the essence and blood, and lubricate the bowels are lock-yang and cistanchiakis. Therefore, the correct answer is B.