Because ________,Asynchronous Tasks Are Frequently Used in GUI Apps That

Multiple Choice

Because ________,asynchronous Tasks are frequently used in GUI apps that invoke web services (or perform network communication in general) to ensure that the apps remain responsive.

A) there can be unpredictably long delays while awaiting a web-service response
B) synchronous tasks don't work well in GUI apps
C) web services are not designed to work with synchronous Tasks
D) memory is limited in GUI-based web services