Aaron will jog from home at x miles per hour and then walk back home by the same route at y miles per hour. How many miles from home can Aaron jog so that he spends a total of t hours jogging and walking?
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A$$\frac{xt}{y}$$
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B$$\frac{x+t}{x}{y}$$
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C$$\frac{xyt}{x+y}$$
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D$$\frac{x+y+t}{x}{y}$$
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E$$\frac{y+t}{x}-\frac{t}{y}$$
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正确答案: C