5．下列可以通过孢子繁殖后代的有

    ①石松    ②葫芦藓       ③地钱    ④小麦    ⑤桫椤    ⑥韭菜

A．①②③⑥                                                  B．①②③⑤

C．②③⑤⑥                                                  D．②③④⑤