"Or has He taken, out of what He creates, daughters?"—in the form of an interrogative. "And chosen for you sons"—meaning: He has not done so.
﴿أَمِ اتَّخَذَ مِمَّا يَخْلُقُ بَنَاتٍ﴾ على الِاسْتِفْهَام ﴿وأصفاكم بالبنين﴾ أَي: لم يفعل