Adeveloper uses a before insert trigger on the lead object to fetch the territory__c object, where the territory__c. postalcode__c matches the lead. postalcode. the code fails when the developer uses the apex data loader to insert 10,000 lead records. the developer has the following code block: line-01: for (lead l : trigger. new){line-02: if (l. postalcode ! = null) {line-03: list terrlist = [select id from territory__c where postalcode__c = : l. postalcod; line-04: if(terrlist. size() > 0) line-05: l. territory__c = terrlist[.id; line-06: }line-07: }which line of code is causing the code block to fail?
a. line-03: a soql query is located inside of the for loop code.
b. line-01: trigger: new is not valid in a before insert trigger.
c. line-02: a nullpointer exception is thrown if postalcode is null.
d. line-05: the lead in a before insert trigger cannot be updated.