Correct option is B
Given: wwxxyyzzwwx_yyzzww_xyyzz_wxxyy_z
(a) yyxz
Wwxxyyzz/wwx yyyzzww yxyyzz xwxxyy zz (Sequence is not followed.)
(b) xxwz
Wwxxyyzz/wwx xyyzz/ww xxyyzz/ wwxxyy zz (Sequence followed.)
(c) zxyw
Wwxxyyzz/wwx zyyzzww xxyyzz ywxxyy wz (Sequence is not followed.)
(d) wxyx
Wwxxyyzz/wwx wyyzzww xxyyzz ywxxyy xz (Sequence is not followed.)