请教GWD21-Q6，一直没看懂

Heirloom tomatoes, grown from seeds saved from the previous year, only look less appetizing than their round and red supermarket cousins, often green and striped, or have plenty of bumps and bruises, but are more flavorful.

1. cousins, often green and striped, or have plenty of bumps and bruises, but are
2. cousins, often green and striped, or with plenty of bumps and bruises, although
3. cousins, often green and striped, or they have plenty of bumps and bruises, although they are
4. cousins; they are often green and striped, or with plenty of bumps and bruises, although
5. cousins; they are often green and striped, or have plenty of bumps and bruises, but they are

答案是B，晕死了，结构好像都很乱的样子，请高手指点，谢谢~

个人觉得A比E简洁些,NN们请指点

更新的答案应该是e.

a中逗号部分的结构都不并列: do,adj,do, 所以不对

前面有一个their，所以这个they应该默认和their指代同一个东西

a的话or have和谁并列呢？向前搜索只有look和have同一级别，但是逻辑意思不合理。

ABC  often green and striped 会有歧义，往前还是往后修饰?

所以不对。

ABC  often green and striped 会有歧义，往前还是往后修饰?

所以不对。

ABC  often green and striped 会有歧义，往前还是往后修饰?

所以不对。