A student investigated the effect of one-sided light on the growth of plant seedlings as shown in Figure 5. Which diagram shows what the seedling in Experiment 1 would look like after 12 hours?

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<svg width='100' height='120' viewBox='0 0 100 120'><ellipse cx='50' cy='110' rx='40' ry='10' fill='#f0e6d2'/><path d='M 50,100 C 50,80 50,60 50,40' stroke='green' stroke-width='3' fill='none'/><circle cx='50' cy='105' r='4' fill='brown'/></svg>

<svg width='100' height='120' viewBox='0 0 100 120'><ellipse cx='50' cy='110' rx='40' ry='10' fill='#f0e6d2'/><path d='M 50,100 C 40,80 30,60 25,40' stroke='green' stroke-width='3' fill='none'/><circle cx='50' cy='105' r='4' fill='brown'/></svg>

<svg width='100' height='120' viewBox='0 0 100 120'><ellipse cx='50' cy='110' rx='40' ry='10' fill='#f0e6d2'/><path d='M 50,100 C 50,120 50,140 50,160' stroke='green' stroke-width='3' fill='none'/><circle cx='50' cy='105' r='4' fill='brown'/></svg>